72522382 has 16 divisors (see below), whose sum is σ = 111052512. Its totient is φ = 35511840.

The previous prime is 72522377. The next prime is 72522397. The reversal of 72522382 is 28322527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20668 + ... + 23920.

It is an arithmetic number, because the mean of its divisors is an integer number (6940782).

Almost surely, 2^72522382 is an apocalyptic number.

72522382 is a deficient number, since it is larger than the sum of its proper divisors (38530130).

72522382 is a wasteful number, since it uses less digits than its factorization.

72522382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483.

The product of its digits is 13440, while the sum is 31.

The square root of 72522382 is about 8516.0073978361. The cubic root of 72522382 is about 417.0204507411.

The spelling of 72522382 in words is "seventy-two million, five hundred twenty-two thousand, three hundred eighty-two".