76407272 has 32 divisors (see below), whose sum is σ = 147457800. Its totient is φ = 37094400.

The previous prime is 76407251. The next prime is 76407283. The reversal of 76407272 is 27270467.

It can be written as a sum of positive squares in 4 ways, for example, as 55741156 + 20666116 = 7466^2 + 4546^2 .

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 7 ways as a sum of consecutive naturals, for example, 91754 + ... + 92582.

Almost surely, 2^76407272 is an apocalyptic number.

It is an amenable number.

76407272 is a deficient number, since it is larger than the sum of its proper divisors (71050528).

76407272 is a wasteful number, since it uses less digits than its factorization.

76407272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 76407272 is about 8741.1253280113. The cubic root of 76407272 is about 424.3376478614.

The spelling of 76407272 in words is "seventy-six million, four hundred seven thousand, two hundred seventy-two".