76809560 has 16 divisors (see below), whose sum is σ = 172821600. Its totient is φ = 30723808.

The previous prime is 76809559. The next prime is 76809569. The reversal of 76809560 is 6590867.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76809569) 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, 960080 + ... + 960159.

It is an arithmetic number, because the mean of its divisors is an integer number (10801350).

Almost surely, 2^76809560 is an apocalyptic number.

It is an amenable number.

76809560 is an abundant number, since it is smaller than the sum of its proper divisors (96012040).

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

76809560 is a wasteful number, since it uses less digits than its factorization.

76809560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920250 (or 1920246 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 76809560 is about 8764.1063434899. The cubic root of 76809560 is about 425.0810641217.

The spelling of 76809560 in words is "seventy-six million, eight hundred nine thousand, five hundred sixty".