72239106 has 16 divisors (see below), whose sum is σ = 147204864. Its totient is φ = 23625264.

The previous prime is 72239071. The next prime is 72239117. The reversal of 72239106 is 60193227.

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, 113266 + ... + 113901.

It is an arithmetic number, because the mean of its divisors is an integer number (9200304).

Almost surely, 2^72239106 is an apocalyptic number.

72239106 is an abundant number, since it is smaller than the sum of its proper divisors (74965758).

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

72239106 is a wasteful number, since it uses less digits than its factorization.

72239106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227225.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 72239106 is about 8499.3591523126. The cubic root of 72239106 is about 416.4767747695.

The spelling of 72239106 in words is "seventy-two million, two hundred thirty-nine thousand, one hundred six".