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75968970 = 23571132887
BaseRepresentation
bin1001000011100…
…11000111001010
312021221121211120
410201303013022
5123422001340
611312140110
71611503610
oct441630712
9167847746
1075968970
1139978680
1221537636
131297b66c
14a1376b0
156a094d0
hex48731ca

75968970 has 64 divisors (see below), whose sum is σ = 227321856. Its totient is φ = 15785280.

The previous prime is 75968969. The next prime is 75969013. The reversal of 75968970 is 7986957.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14134 + ... + 18753.

It is an arithmetic number, because the mean of its divisors is an integer number (3551904).

Almost surely, 275968970 is an apocalyptic number.

75968970 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

75968970 is an abundant number, since it is smaller than the sum of its proper divisors (151352886).

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

75968970 is a wasteful number, since it uses less digits than its factorization.

75968970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32915.

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 75968970 is about 8716.0180128313. The cubic root of 75968970 is about 423.5247025053.

The spelling of 75968970 in words is "seventy-five million, nine hundred sixty-eight thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 330 385 462 770 1155 2310 32887 65774 98661 164435 197322 230209 328870 361757 460418 493305 690627 723514 986610 1085271 1151045 1381254 1808785 2170542 2302090 2532299 3453135 3617570 5064598 5426355 6906270 7596897 10852710 12661495 15193794 25322990 37984485 75968970