76156728 has 32 divisors (see below), whose sum is σ = 193622400. Its totient is φ = 24954848.

The previous prime is 76156687. The next prime is 76156763. The reversal of 76156728 is 82765167.

It is a self number, because there is not a number n which added to its sum of digits gives 76156728.

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 7 ways as a sum of consecutive naturals, for example, 25476 + ... + 28307.

It is an arithmetic number, because the mean of its divisors is an integer number (6050700).

Almost surely, 2^76156728 is an apocalyptic number.

It is an amenable number.

76156728 is an abundant number, since it is smaller than the sum of its proper divisors (117465672).

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

76156728 is a wasteful number, since it uses less digits than its factorization.

76156728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53851 (or 53847 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 76156728 is about 8726.7822248524. The cubic root of 76156728 is about 423.8733305013.

The spelling of 76156728 in words is "seventy-six million, one hundred fifty-six thousand, seven hundred twenty-eight".