76320880 has 20 divisors (see below), whose sum is σ = 177446232. Its totient is φ = 30528320.

The previous prime is 76320863. The next prime is 76320883. The reversal of 76320880 is 8802367.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×76320880³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76320883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476926 + ... + 477085.

Almost surely, 2^76320880 is an apocalyptic number.

It is an amenable number.

76320880 is an abundant number, since it is smaller than the sum of its proper divisors (101125352).

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

76320880 is a wasteful number, since it uses less digits than its factorization.

76320880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954024 (or 954018 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 76320880 is about 8736.1822325316. The cubic root of 76320880 is about 424.1776578393.

The spelling of 76320880 in words is "seventy-six million, three hundred twenty thousand, eight hundred eighty".