76347272 has 16 divisors (see below), whose sum is σ = 151572060. Its totient is φ = 35928064.

The previous prime is 76347251. The next prime is 76347277. The reversal of 76347272 is 27274367.

It can be written as a sum of positive squares in 2 ways, for example, as 76282756 + 64516 = 8734^2 + 254^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (76347277) by changing a digit.

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, 280553 + ... + 280824.

Almost surely, 2^76347272 is an apocalyptic number.

It is an amenable number.

76347272 is a deficient number, since it is larger than the sum of its proper divisors (75224788).

76347272 is a wasteful number, since it uses less digits than its factorization.

76347272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561400 (or 561396 counting only the distinct ones).

The product of its digits is 98784, while the sum is 38.

The square root of 76347272 is about 8737.6926015968. The cubic root of 76347272 is about 424.2265461932.

The spelling of 76347272 in words is "seventy-six million, three hundred forty-seven thousand, two hundred seventy-two".