76422564 has 81 divisors (see below), whose sum is σ = 203949291. Its totient is φ = 24127920.

The previous prime is 76422557. The next prime is 76422581. The reversal of 76422564 is 46522467.

The square root of 76422564 is 8742.

It is a perfect power (a square), and thus also a powerful number.

76422564 is a `hidden beast` number, since 7 + 642 + 2 + 5 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1625989 + ... + 1626035.

Almost surely, 2^76422564 is an apocalyptic number.

76422564 is the 8742-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76422564

76422564 is an abundant number, since it is smaller than the sum of its proper divisors (127526727).

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

76422564 is a wasteful number, since it uses less digits than its factorization.

76422564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 83 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The cubic root of 76422564 is about 424.3659546717.

Multiplying 76422564 by its sum of digits (36), we get a square (2751212304 = 52452²).

76422564 divided by its sum of digits (36) gives a square (2122849 = 1457²).

The spelling of 76422564 in words is "seventy-six million, four hundred twenty-two thousand, five hundred sixty-four".