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75038068 = 22717198297
BaseRepresentation
bin1000111100011…
…11110101110100
312020012022212201
410132033311310
5123202204233
611240154244
71600545610
oct436176564
9166168781
1075038068
11393a2236
1221168984
1312713a31
149d74340
1568c377d
hex478fd74

75038068 has 48 divisors (see below), whose sum is σ = 167287680. Its totient is φ = 28670976.

The previous prime is 75037997. The next prime is 75038081. The reversal of 75038068 is 86083057.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4896 + ... + 13192.

It is an arithmetic number, because the mean of its divisors is an integer number (3485160).

Almost surely, 275038068 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 75038068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83643840).

75038068 is an abundant number, since it is smaller than the sum of its proper divisors (92249612).

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

75038068 is a wasteful number, since it uses less digits than its factorization.

75038068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344 (or 8342 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 75038068 is about 8662.4516160265. The cubic root of 75038068 is about 421.7876712373.

The spelling of 75038068 in words is "seventy-five million, thirty-eight thousand, sixty-eight".

Divisors: 1 2 4 7 14 17 19 28 34 38 68 76 119 133 238 266 323 476 532 646 1292 2261 4522 8297 9044 16594 33188 58079 116158 141049 157643 232316 282098 315286 564196 630572 987343 1103501 1974686 2207002 2679931 3949372 4414004 5359862 10719724 18759517 37519034 75038068