76728927 has 16 divisors (see below), whose sum is σ = 112464000. Its totient is φ = 46144800.

The previous prime is 76728907. The next prime is 76728931. The reversal of 76728927 is 72982767.

It is not a de Polignac number, because 76728927 - 2¹¹ = 76726879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76728907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4552 + ... + 13197.

It is an arithmetic number, because the mean of its divisors is an integer number (7029000).

Almost surely, 2^76728927 is an apocalyptic number.

76728927 is a deficient number, since it is larger than the sum of its proper divisors (35735073).

76728927 is a wasteful number, since it uses less digits than its factorization.

76728927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17894.

The product of its digits is 592704, while the sum is 48.

The square root of 76728927 is about 8759.5049517653. The cubic root of 76728927 is about 424.9322650991.

The spelling of 76728927 in words is "seventy-six million, seven hundred twenty-eight thousand, nine hundred twenty-seven".