72930500 has 24 divisors (see below), whose sum is σ = 159281304. Its totient is φ = 29172000.

The previous prime is 72930497. The next prime is 72930521. The reversal of 72930500 is 503927.

It can be written as a sum of positive squares in 4 ways, for example, as 11182336 + 61748164 = 3344^2 + 7858^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72930500.

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 in 7 ways as a sum of consecutive naturals, for example, 72431 + ... + 73430.

It is an arithmetic number, because the mean of its divisors is an integer number (6636721).

Almost surely, 2^72930500 is an apocalyptic number.

It is an amenable number.

72930500 is an abundant number, since it is smaller than the sum of its proper divisors (86350804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72930500 is a wasteful number, since it uses less digits than its factorization.

72930500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145880 (or 145868 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 72930500 is about 8539.9355969469. The cubic root of 72930500 is about 417.8012455275.

The spelling of 72930500 in words is "seventy-two million, nine hundred thirty thousand, five hundred".