76531056 has 80 divisors (see below), whose sum is σ = 231247104. Its totient is φ = 21353472.

The previous prime is 76531043. The next prime is 76531061. The reversal of 76531056 is 65013567.

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 15 ways as a sum of consecutive naturals, for example, 11800 + ... + 17096.

Almost surely, 2^76531056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76531056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115623552).

76531056 is an abundant number, since it is smaller than the sum of its proper divisors (154716048).

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

76531056 is a wasteful number, since it uses less digits than its factorization.

76531056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358 (or 5352 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 76531056 is about 8748.2030154769. The cubic root of 76531056 is about 424.5666743681.

The spelling of 76531056 in words is "seventy-six million, five hundred thirty-one thousand, fifty-six".