72238892 has 24 divisors (see below), whose sum is σ = 140253120. Its totient is φ = 32278160.

The previous prime is 72238889. The next prime is 72238919. The reversal of 72238892 is 29883227.

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, 11318 + ... + 16509.

It is an arithmetic number, because the mean of its divisors is an integer number (5843880).

Almost surely, 2^72238892 is an apocalyptic number.

It is an amenable number.

72238892 is a deficient number, since it is larger than the sum of its proper divisors (68014228).

72238892 is a wasteful number, since it uses less digits than its factorization.

72238892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27901 (or 27899 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 72238892 is about 8499.3465631188. The cubic root of 72238892 is about 416.4763635143.

The spelling of 72238892 in words is "seventy-two million, two hundred thirty-eight thousand, eight hundred ninety-two".