76328757 has 48 divisors (see below), whose sum is σ = 122895360. Its totient is φ = 46785600.

The previous prime is 76328737. The next prime is 76328767. The reversal of 76328757 is 75782367.

76328757 is a `hidden beast` number, since 7 + 632 + 8 + 7 + 5 + 7 = 666.

It is not a de Polignac number, because 76328757 - 2⁸ = 76328501 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76328717) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399532 + ... + 399722.

It is an arithmetic number, because the mean of its divisors is an integer number (2560320).

Almost surely, 2^76328757 is an apocalyptic number.

It is an amenable number.

76328757 is a deficient number, since it is larger than the sum of its proper divisors (46566603).

76328757 is a wasteful number, since it uses less digits than its factorization.

76328757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 254 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 76328757 is about 8736.6330471183. The cubic root of 76328757 is about 424.1922503181.

The spelling of 76328757 in words is "seventy-six million, three hundred twenty-eight thousand, seven hundred fifty-seven".