76872388 has 12 divisors (see below), whose sum is σ = 139165740. Its totient is φ = 37110752.

The previous prime is 76872373. The next prime is 76872409. The reversal of 76872388 is 88327867.

It can be written as a sum of positive squares in 2 ways, for example, as 23990404 + 52881984 = 4898^2 + 7272^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331231 + ... + 331462.

It is an arithmetic number, because the mean of its divisors is an integer number (11597145).

Almost surely, 2^76872388 is an apocalyptic number.

It is an amenable number.

76872388 is a deficient number, since it is larger than the sum of its proper divisors (62293352).

76872388 is a wasteful number, since it uses less digits than its factorization.

76872388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662726 (or 662724 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 76872388 is about 8767.6900036441. The cubic root of 76872388 is about 425.1969338761.

The spelling of 76872388 in words is "seventy-six million, eight hundred seventy-two thousand, three hundred eighty-eight".