72500794 has 4 divisors (see below), whose sum is σ = 108751194. Its totient is φ = 36250396.

The previous prime is 72500777. The next prime is 72500803. The reversal of 72500794 is 49700527.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57562569 + 14938225 = 7587^2 + 3865^2 .

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, 18125197 + ... + 18125200.

Almost surely, 2^72500794 is an apocalyptic number.

72500794 is a deficient number, since it is larger than the sum of its proper divisors (36250400).

72500794 is a wasteful number, since it uses less digits than its factorization.

72500794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36250399.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 72500794 is about 8514.7398081210. The cubic root of 72500794 is about 416.9790679723.

The spelling of 72500794 in words is "seventy-two million, five hundred thousand, seven hundred ninety-four".