72949300 has 18 divisors (see below), whose sum is σ = 158300198. Its totient is φ = 29179680.

The previous prime is 72949277. The next prime is 72949313. The reversal of 72949300 is 394927.

It can be written as a sum of positive squares in 3 ways, for example, as 1140624 + 71808676 = 1068^2 + 8474^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364647 + ... + 364846.

Almost surely, 2^72949300 is an apocalyptic number.

It is an amenable number.

72949300 is an abundant number, since it is smaller than the sum of its proper divisors (85350898).

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

72949300 is a wasteful number, since it uses less digits than its factorization.

72949300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729507 (or 729500 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 72949300 is about 8541.0362368977. The cubic root of 72949300 is about 417.8371426652.

The spelling of 72949300 in words is "seventy-two million, nine hundred forty-nine thousand, three hundred".