72452576 has 120 divisors (see below), whose sum is σ = 177874704. Its totient is φ = 28976640.

The previous prime is 72452561. The next prime is 72452579. The reversal of 72452576 is 67525427.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72452579) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1767116 + ... + 1767156.

Almost surely, 2^72452576 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 72452576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88937352).

72452576 is an abundant number, since it is smaller than the sum of its proper divisors (105422128).

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

72452576 is an equidigital number, since it uses as much as digits as its factorization.

72452576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 73 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 72452576 is about 8511.9078942385. The cubic root of 72452576 is about 416.8866075797.

The spelling of 72452576 in words is "seventy-two million, four hundred fifty-two thousand, five hundred seventy-six".