72522300 has 72 divisors (see below), whose sum is σ = 211958656. Its totient is φ = 19143360.

The previous prime is 72522293. The next prime is 72522319. The reversal of 72522300 is 322527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29727 + ... + 32073.

Almost surely, 2^72522300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72522300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105979328).

72522300 is an abundant number, since it is smaller than the sum of its proper divisors (139436356).

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

72522300 is a wasteful number, since it uses less digits than its factorization.

72522300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467 (or 2460 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 72522300 is about 8516.0025833721. The cubic root of 72522300 is about 417.0202935681.

Adding to 72522300 its reverse (322527), we get a palindrome (72844827).

The spelling of 72522300 in words is "seventy-two million, five hundred twenty-two thousand, three hundred".