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72634368 = 212323257
BaseRepresentation
bin1000101010001…
…01000000000000
312001200012121210
410111011000000
5122043244433
611112450120
71541245002
oct425050000
9161605553
1072634368
1138000304
12203a9940
1312081921
14990a372
15659b463
hex4545000

72634368 has 104 divisors (see below), whose sum is σ = 202874688. Its totient is φ = 23068672.

The previous prime is 72634363. The next prime is 72634381. The reversal of 72634368 is 86343627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72634363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282496 + ... + 282752.

Almost surely, 272634368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72634368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101437344).

72634368 is an abundant number, since it is smaller than the sum of its proper divisors (130240320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72634368 is a wasteful number, since it uses less digits than its factorization.

72634368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 285 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 72634368 is about 8522.5798910893. The cubic root of 72634368 is about 417.2349888092.

The spelling of 72634368 in words is "seventy-two million, six hundred thirty-four thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 128 138 184 192 256 257 276 368 384 512 514 552 736 768 771 1024 1028 1104 1472 1536 1542 2048 2056 2208 2944 3072 3084 4096 4112 4416 5888 5911 6144 6168 8224 8832 11776 11822 12288 12336 16448 17664 17733 23552 23644 24672 32896 35328 35466 47104 47288 49344 65792 70656 70932 94208 94576 98688 131584 141312 141864 189152 197376 263168 282624 283728 378304 394752 526336 567456 756608 789504 1052672 1134912 1513216 1579008 2269824 3026432 3158016 4539648 6052864 9079296 12105728 18158592 24211456 36317184 72634368