72522894 has 16 divisors (see below), whose sum is σ = 145219968. Its totient is φ = 24145272.

The previous prime is 72522893. The next prime is 72522907. The reversal of 72522894 is 49822527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72522893) 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, 1492 + ... + 12135.

It is an arithmetic number, because the mean of its divisors is an integer number (9076248).

Almost surely, 2^72522894 is an apocalyptic number.

72522894 is an abundant number, since it is smaller than the sum of its proper divisors (72697074).

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

72522894 is a wasteful number, since it uses less digits than its factorization.

72522894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14519.

The product of its digits is 80640, while the sum is 39.

The square root of 72522894 is about 8516.0374588185. The cubic root of 72522894 is about 417.0214321116.

The spelling of 72522894 in words is "seventy-two million, five hundred twenty-two thousand, eight hundred ninety-four".