76821260 has 12 divisors (see below), whose sum is σ = 161324688. Its totient is φ = 30728496.

The previous prime is 76821257. The next prime is 76821293. The reversal of 76821260 is 6212867.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920512 + ... + 1920551.

It is an arithmetic number, because the mean of its divisors is an integer number (13443724).

Almost surely, 2^76821260 is an apocalyptic number.

It is an amenable number.

76821260 is an abundant number, since it is smaller than the sum of its proper divisors (84503428).

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

76821260 is a wasteful number, since it uses less digits than its factorization.

76821260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841072 (or 3841070 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 76821260 is about 8764.7738133964. The cubic root of 76821260 is about 425.1026464870.

The spelling of 76821260 in words is "seventy-six million, eight hundred twenty-one thousand, two hundred sixty".