72794500 has 24 divisors (see below), whose sum is σ = 158984280. Its totient is φ = 29117600.

The previous prime is 72794497. The next prime is 72794507. The reversal of 72794500 is 549727.

It can be written as a sum of positive squares in 4 ways, for example, as 17172736 + 55621764 = 4144^2 + 7458^2 .

It is not an unprimeable number, because it can be changed into a prime (72794507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72295 + ... + 73294.

It is an arithmetic number, because the mean of its divisors is an integer number (6624345).

Almost surely, 2^72794500 is an apocalyptic number.

It is an amenable number.

72794500 is an abundant number, since it is smaller than the sum of its proper divisors (86189780).

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

72794500 is a wasteful number, since it uses less digits than its factorization.

72794500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145608 (or 145596 counting only the distinct ones).

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

The square root of 72794500 is about 8531.9692920216. The cubic root of 72794500 is about 417.5413801958.

The spelling of 72794500 in words is "seventy-two million, seven hundred ninety-four thousand, five hundred".