75115616 has 24 divisors (see below), whose sum is σ = 148801464. Its totient is φ = 37324800.

The previous prime is 75115561. The next prime is 75115627. The reversal of 75115616 is 61651157.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1985 + ... + 12416.

It is an arithmetic number, because the mean of its divisors is an integer number (6200061).

Almost surely, 2^75115616 is an apocalyptic number.

It is an amenable number.

75115616 is a deficient number, since it is larger than the sum of its proper divisors (73685848).

75115616 is a wasteful number, since it uses less digits than its factorization.

75115616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14574 (or 14566 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 75115616 is about 8666.9265602058. The cubic root of 75115616 is about 421.9329198648.

The spelling of 75115616 in words is "seventy-five million, one hundred fifteen thousand, six hundred sixteen".