72254158 has 16 divisors (see below), whose sum is σ = 110796336. Its totient is φ = 35326720.

The previous prime is 72254141. The next prime is 72254183. The reversal of 72254158 is 85145227.

It is a happy number.

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, 36453 + ... + 38383.

It is an arithmetic number, because the mean of its divisors is an integer number (6924771).

Almost surely, 2^72254158 is an apocalyptic number.

72254158 is a deficient number, since it is larger than the sum of its proper divisors (38542178).

72254158 is a wasteful number, since it uses less digits than its factorization.

72254158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339.

The product of its digits is 22400, while the sum is 34.

The square root of 72254158 is about 8500.2445847164. The cubic root of 72254158 is about 416.5056989603.

The spelling of 72254158 in words is "seventy-two million, two hundred fifty-four thousand, one hundred fifty-eight".