72522842 has 24 divisors (see below), whose sum is σ = 127563264. Its totient is φ = 30831192.

The previous prime is 72522803. The next prime is 72522847. The reversal of 72522842 is 24822527.

It is a super-2 number, since 2×72522842² = 10519125223513928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72522799 and 72522808.

It is not an unprimeable number, because it can be changed into a prime (72522847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9533 + ... + 15359.

It is an arithmetic number, because the mean of its divisors is an integer number (5315136).

Almost surely, 2^72522842 is an apocalyptic number.

72522842 is a deficient number, since it is larger than the sum of its proper divisors (55040422).

72522842 is a wasteful number, since it uses less digits than its factorization.

72522842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970 (or 5963 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 72522842 is about 8516.0344057548. The cubic root of 72522842 is about 417.0213324414.

The spelling of 72522842 in words is "seventy-two million, five hundred twenty-two thousand, eight hundred forty-two".