76738656 has 24 divisors (see below), whose sum is σ = 201439224. Its totient is φ = 25579520.

The previous prime is 76738631. The next prime is 76738661. The reversal of 76738656 is 65683767.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 399585 + ... + 399776.

It is an arithmetic number, because the mean of its divisors is an integer number (8393301).

Almost surely, 2^76738656 is an apocalyptic number.

It is an amenable number.

76738656 is an abundant number, since it is smaller than the sum of its proper divisors (124700568).

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

76738656 is a wasteful number, since it uses less digits than its factorization.

76738656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799374 (or 799366 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 76738656 is about 8760.0602737652. The cubic root of 76738656 is about 424.9502243897.

The spelling of 76738656 in words is "seventy-six million, seven hundred thirty-eight thousand, six hundred fifty-six".