80072516 has 24 divisors (see below), whose sum is σ = 148775256. Its totient is φ = 37578240.

The previous prime is 80072471. The next prime is 80072521. The reversal of 80072516 is 61527008.

It can be written as a sum of positive squares in 4 ways, for example, as 7311616 + 72760900 = 2704^2 + 8530^2 .

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, 27230 + ... + 30026.

It is an arithmetic number, because the mean of its divisors is an integer number (6198969).

Almost surely, 2^80072516 is an apocalyptic number.

It is an amenable number.

80072516 is a deficient number, since it is larger than the sum of its proper divisors (68702740).

80072516 is a wasteful number, since it uses less digits than its factorization.

80072516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239 (or 3237 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 80072516 is about 8948.3247594173. The cubic root of 80072516 is about 431.0170911768.

The spelling of 80072516 in words is "eighty million, seventy-two thousand, five hundred sixteen".