76810380 has 24 divisors (see below), whose sum is σ = 215069232. Its totient is φ = 20482752.

The previous prime is 76810379. The next prime is 76810397. The reversal of 76810380 is 8301867.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640027 + ... + 640146.

It is an arithmetic number, because the mean of its divisors is an integer number (8961218).

Almost surely, 2^76810380 is an apocalyptic number.

It is an amenable number.

76810380 is an abundant number, since it is smaller than the sum of its proper divisors (138258852).

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

76810380 is a wasteful number, since it uses less digits than its factorization.

76810380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280185 (or 1280183 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 76810380 is about 8764.1531250886. The cubic root of 76810380 is about 425.0825768033.

The spelling of 76810380 in words is "seventy-six million, eight hundred ten thousand, three hundred eighty".