75417872 has 20 divisors (see below), whose sum is σ = 149521680. Its totient is φ = 36831648.

The previous prime is 75417857. The next prime is 75417883. The reversal of 75417872 is 27871457.

It is a super-3 number, since 3×75417872³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54122 + ... + 55497.

It is an arithmetic number, because the mean of its divisors is an integer number (7476084).

Almost surely, 2^75417872 is an apocalyptic number.

It is an amenable number.

75417872 is a deficient number, since it is larger than the sum of its proper divisors (74103808).

75417872 is a wasteful number, since it uses less digits than its factorization.

75417872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109670 (or 109664 counting only the distinct ones).

The product of its digits is 109760, while the sum is 41.

The square root of 75417872 is about 8684.3463772468. The cubic root of 75417872 is about 422.4980978638.

The spelling of 75417872 in words is "seventy-five million, four hundred seventeen thousand, eight hundred seventy-two".