76398912 has 42 divisors (see below), whose sum is σ = 218985338. Its totient is φ = 25466112.

The previous prime is 76398853. The next prime is 76398913. The reversal of 76398912 is 21989367.

76398912 is a `hidden beast` number, since 7 + 639 + 8 + 9 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39237696 + 37161216 = 6264^2 + 6096^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76398913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65743 + ... + 66894.

Almost surely, 2^76398912 is an apocalyptic number.

76398912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

76398912 is an abundant number, since it is smaller than the sum of its proper divisors (142586426).

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

76398912 is a wasteful number, since it uses less digits than its factorization.

76398912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132655 (or 132642 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 76398912 is about 8740.6471156317. The cubic root of 76398912 is about 424.3221711839.

The spelling of 76398912 in words is "seventy-six million, three hundred ninety-eight thousand, nine hundred twelve".