75765407272 has 32 divisors (see below), whose sum is σ = 142981977600. Its totient is φ = 37637422144.

The previous prime is 75765407257. The next prime is 75765407287. The reversal of 75765407272 is 27270456757.

It is an interprime number because it is at equal distance from previous prime (75765407257) and next prime (75765407287).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099713 + ... + 1166575.

It is an arithmetic number, because the mean of its divisors is an integer number (4468186800).

Almost surely, 2^75765407272 is an apocalyptic number.

It is an amenable number.

75765407272 is a deficient number, since it is larger than the sum of its proper divisors (67216570328).

75765407272 is a wasteful number, since it uses less digits than its factorization.

75765407272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67785 (or 67781 counting only the distinct ones).

The product of its (nonzero) digits is 5762400, while the sum is 52.

The spelling of 75765407272 in words is "seventy-five billion, seven hundred sixty-five million, four hundred seven thousand, two hundred seventy-two".