72199374 has 32 divisors (see below), whose sum is σ = 164656800. Its totient is φ = 20908032.

The previous prime is 72199367. The next prime is 72199399. The reversal of 72199374 is 47399127.

72199374 = 458² + 459² + ... + 678².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25899 + ... + 28550.

It is an arithmetic number, because the mean of its divisors is an integer number (5145525).

Almost surely, 2^72199374 is an apocalyptic number.

72199374 is an abundant number, since it is smaller than the sum of its proper divisors (92457426).

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

72199374 is a wasteful number, since it uses less digits than its factorization.

72199374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54484.

The product of its digits is 95256, while the sum is 42.

The square root of 72199374 is about 8497.0214781416. The cubic root of 72199374 is about 416.4004057463.

The spelling of 72199374 in words is "seventy-two million, one hundred ninety-nine thousand, three hundred seventy-four".