76649080 has 32 divisors (see below), whose sum is σ = 172760400. Its totient is φ = 30606336.

The previous prime is 76649063. The next prime is 76649099. The reversal of 76649080 is 8094667.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28264 + ... + 30856.

Almost surely, 2^76649080 is an apocalyptic number.

It is an amenable number.

76649080 is an abundant number, since it is smaller than the sum of its proper divisors (96111320).

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

76649080 is a wasteful number, since it uses less digits than its factorization.

76649080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343 (or 3339 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 76649080 is about 8754.9460306732. The cubic root of 76649080 is about 424.7848137872.

The spelling of 76649080 in words is "seventy-six million, six hundred forty-nine thousand, eighty".