72873104 has 10 divisors (see below), whose sum is σ = 141191670. Its totient is φ = 36436544.

The previous prime is 72873079. The next prime is 72873127. The reversal of 72873104 is 40137827.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 57032704 + 15840400 = 7552^2 + 3980^2 .

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 as a sum of consecutive naturals, namely, 2277269 + ... + 2277300.

It is an arithmetic number, because the mean of its divisors is an integer number (14119167).

Almost surely, 2^72873104 is an apocalyptic number.

It is an amenable number.

72873104 is a deficient number, since it is larger than the sum of its proper divisors (68318566).

72873104 is a wasteful number, since it uses less digits than its factorization.

72873104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554577 (or 4554571 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 72873104 is about 8536.5744886342. The cubic root of 72873104 is about 417.6916141488.

The spelling of 72873104 in words is "seventy-two million, eight hundred seventy-three thousand, one hundred four".