76331648 has 16 divisors (see below), whose sum is σ = 152067210. Its totient is φ = 38165760.

The previous prime is 76331639. The next prime is 76331653. The reversal of 76331648 is 84613367.

It can be written as a sum of positive squares in only one way, i.e., 76177984 + 153664 = 8728^2 + 392^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298043 + ... + 298298.

Almost surely, 2^76331648 is an apocalyptic number.

It is an amenable number.

76331648 is a deficient number, since it is larger than the sum of its proper divisors (75735562).

76331648 is an equidigital number, since it uses as much as digits as its factorization.

76331648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596355 (or 596343 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 76331648 is about 8736.7984983059. The cubic root of 76331648 is about 424.1976057671.

The spelling of 76331648 in words is "seventy-six million, three hundred thirty-one thousand, six hundred forty-eight".