76800660 has 48 divisors (see below), whose sum is σ = 226363200. Its totient is φ = 19401984.

The previous prime is 76800649. The next prime is 76800673. The reversal of 76800660 is 6600867.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32545 + ... + 34824.

It is an arithmetic number, because the mean of its divisors is an integer number (4715900).

Almost surely, 2^76800660 is an apocalyptic number.

It is an amenable number.

76800660 is an abundant number, since it is smaller than the sum of its proper divisors (149562540).

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

76800660 is a wasteful number, since it uses less digits than its factorization.

76800660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67400 (or 67398 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 76800660 is about 8763.5985759276. The cubic root of 76800660 is about 425.0646452992.

The spelling of 76800660 in words is "seventy-six million, eight hundred thousand, six hundred sixty".