76725216 has 72 divisors (see below), whose sum is σ = 231036624. Its totient is φ = 24069120.

The previous prime is 76725203. The next prime is 76725221. The reversal of 76725216 is 61252767.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2940 + ... + 12731.

It is an arithmetic number, because the mean of its divisors is an integer number (3208842).

Almost surely, 2^76725216 is an apocalyptic number.

It is an amenable number.

76725216 is an abundant number, since it is smaller than the sum of its proper divisors (154311408).

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

76725216 is a wasteful number, since it uses less digits than its factorization.

76725216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15704 (or 15693 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 76725216 is about 8759.2931221646. The cubic root of 76725216 is about 424.9254143623.

The spelling of 76725216 in words is "seventy-six million, seven hundred twenty-five thousand, two hundred sixteen".