72339174 has 12 divisors (see below), whose sum is σ = 156734916. Its totient is φ = 24113052.

The previous prime is 72339173. The next prime is 72339187. The reversal of 72339174 is 47193327.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72339173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2009404 + ... + 2009439.

It is an arithmetic number, because the mean of its divisors is an integer number (13061243).

Almost surely, 2^72339174 is an apocalyptic number.

72339174 is an abundant number, since it is smaller than the sum of its proper divisors (84395742).

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

72339174 is a wasteful number, since it uses less digits than its factorization.

72339174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018851 (or 4018848 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 72339174 is about 8505.2439118464. The cubic root of 72339174 is about 416.6689918448.

The spelling of 72339174 in words is "seventy-two million, three hundred thirty-nine thousand, one hundred seventy-four".