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72674340 = 22359712487
BaseRepresentation
bin1000101010011…
…10110000100100
312001202020110020
410111032300210
5122101034330
611113355140
71541502354
oct425166044
9161666406
1072674340
1138028342
1220408ab0
1312096b8b
14991ab64
1565a8210
hex454ec24

72674340 has 48 divisors (see below), whose sum is σ = 205602432. Its totient is φ = 19178496.

The previous prime is 72674339. The next prime is 72674369. The reversal of 72674340 is 4347627.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424 + ... + 12063.

It is an arithmetic number, because the mean of its divisors is an integer number (4283384).

Almost surely, 272674340 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 72674340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102801216).

72674340 is an abundant number, since it is smaller than the sum of its proper divisors (132928092).

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

72674340 is a wasteful number, since it uses less digits than its factorization.

72674340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12596 (or 12594 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 72674340 is about 8524.9246330979. The cubic root of 72674340 is about 417.3115120815.

The spelling of 72674340 in words is "seventy-two million, six hundred seventy-four thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97 194 291 388 485 582 970 1164 1455 1940 2910 5820 12487 24974 37461 49948 62435 74922 124870 149844 187305 249740 374610 749220 1211239 2422478 3633717 4844956 6056195 7267434 12112390 14534868 18168585 24224780 36337170 72674340