76408812 has 48 divisors (see below), whose sum is σ = 209754720. Its totient is φ = 23970816.

The previous prime is 76408781. The next prime is 76408817. The reversal of 76408812 is 21880467.

76408812 is a `hidden beast` number, since 7 + 640 + 8 + 8 + 1 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (76408817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18973 + ... + 22644.

It is an arithmetic number, because the mean of its divisors is an integer number (4369890).

Almost surely, 2^76408812 is an apocalyptic number.

It is an amenable number.

76408812 is an abundant number, since it is smaller than the sum of its proper divisors (133345908).

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

76408812 is a wasteful number, since it uses less digits than its factorization.

76408812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41647 (or 41639 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 76408812 is about 8741.2134169119. The cubic root of 76408812 is about 424.3404987051.

The spelling of 76408812 in words is "seventy-six million, four hundred eight thousand, eight hundred twelve".