76331772 has 36 divisors (see below), whose sum is σ = 210491736. Its totient is φ = 23130720.

The previous prime is 76331771. The next prime is 76331803. The reversal of 76331772 is 27713367.

76331772 is a `hidden beast` number, since 7 + 633 + 17 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76331771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95983 + ... + 96774.

Almost surely, 2^76331772 is an apocalyptic number.

It is an amenable number.

76331772 is an abundant number, since it is smaller than the sum of its proper divisors (134159964).

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

76331772 is a wasteful number, since it uses less digits than its factorization.

76331772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192778 (or 192773 counting only the distinct ones).

The product of its digits is 37044, while the sum is 36.

The square root of 76331772 is about 8736.8055947240. The cubic root of 76331772 is about 424.1978354686.

The spelling of 76331772 in words is "seventy-six million, three hundred thirty-one thousand, seven hundred seventy-two".