72883912 has 8 divisors (see below), whose sum is σ = 136657350. Its totient is φ = 36441952.

The previous prime is 72883907. The next prime is 72883973. The reversal of 72883912 is 21938827.

It can be written as a sum of positive squares in only one way, i.e., 72829156 + 54756 = 8534^2 + 234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4555237 + ... + 4555252.

Almost surely, 2^72883912 is an apocalyptic number.

It is an amenable number.

72883912 is a deficient number, since it is larger than the sum of its proper divisors (63773438).

72883912 is a wasteful number, since it uses less digits than its factorization.

72883912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110495 (or 9110491 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 72883912 is about 8537.2075059706. The cubic root of 72883912 is about 417.7122627721.

The spelling of 72883912 in words is "seventy-two million, eight hundred eighty-three thousand, nine hundred twelve".