72634322 has 16 divisors (see below), whose sum is σ = 114452352. Its totient is φ = 34504800.

The previous prime is 72634313. The next prime is 72634337. The reversal of 72634322 is 22343627.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718 + ... + 12174.

It is an arithmetic number, because the mean of its divisors is an integer number (7153272).

Almost surely, 2^72634322 is an apocalyptic number.

72634322 is a deficient number, since it is larger than the sum of its proper divisors (41818030).

72634322 is a wasteful number, since it uses less digits than its factorization.

72634322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10633.

The product of its digits is 12096, while the sum is 29.

The square root of 72634322 is about 8522.5771923756. The cubic root of 72634322 is about 417.2349007296.

Adding to 72634322 its reverse (22343627), we get a palindrome (94977949).

The spelling of 72634322 in words is "seventy-two million, six hundred thirty-four thousand, three hundred twenty-two".