72239007 has 16 divisors (see below), whose sum is σ = 103864320. Its totient is φ = 44510400.

The previous prime is 72238993. The next prime is 72239039. The reversal of 72239007 is 70093227.

It is not a de Polignac number, because 72239007 - 2¹¹ = 72236959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72239507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13119 + ... + 17792.

It is an arithmetic number, because the mean of its divisors is an integer number (6491520).

Almost surely, 2^72239007 is an apocalyptic number.

72239007 is a deficient number, since it is larger than the sum of its proper divisors (31625313).

72239007 is a wasteful number, since it uses less digits than its factorization.

72239007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30974.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 72239007 is about 8499.3533283421. The cubic root of 72239007 is about 416.4765845160.

The spelling of 72239007 in words is "seventy-two million, two hundred thirty-nine thousand, seven".