72239006 has 16 divisors (see below), whose sum is σ = 125869920. Its totient is φ = 30451680.

The previous prime is 72238993. The next prime is 72239039. The reversal of 72239006 is 60093227.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72239006.

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, 41441 + ... + 43148.

It is an arithmetic number, because the mean of its divisors is an integer number (7866870).

Almost surely, 2^72239006 is an apocalyptic number.

72239006 is a deficient number, since it is larger than the sum of its proper divisors (53630914).

72239006 is a wasteful number, since it uses less digits than its factorization.

72239006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84659.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 72239006 is about 8499.3532695141. The cubic root of 72239006 is about 416.4765825943.

The spelling of 72239006 in words is "seventy-two million, two hundred thirty-nine thousand, six".