72194914 has 16 divisors (see below), whose sum is σ = 120652416. Its totient is φ = 32117200.

The previous prime is 72194897. The next prime is 72194921. The reversal of 72194914 is 41949127.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33877 + ... + 35944.

It is an arithmetic number, because the mean of its divisors is an integer number (7540776).

Almost surely, 2^72194914 is an apocalyptic number.

72194914 is a deficient number, since it is larger than the sum of its proper divisors (48457502).

72194914 is a wasteful number, since it uses less digits than its factorization.

72194914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69881.

The product of its digits is 18144, while the sum is 37.

The square root of 72194914 is about 8496.7590291828. The cubic root of 72194914 is about 416.3918314150.

The spelling of 72194914 in words is "seventy-two million, one hundred ninety-four thousand, nine hundred fourteen".