72114418 has 8 divisors (see below), whose sum is σ = 108422748. Its totient is φ = 35973504.

The previous prime is 72114389. The next prime is 72114421. The reversal of 72114418 is 81441127.

It can be written as a sum of positive squares in 2 ways, for example, as 69006249 + 3108169 = 8307^2 + 1763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40771 + ... + 42502.

Almost surely, 2^72114418 is an apocalyptic number.

72114418 is a deficient number, since it is larger than the sum of its proper divisors (36308330).

72114418 is a wasteful number, since it uses less digits than its factorization.

72114418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83708.

The product of its digits is 1792, while the sum is 28.

The square root of 72114418 is about 8492.0208431209. The cubic root of 72114418 is about 416.2370174538.

The spelling of 72114418 in words is "seventy-two million, one hundred fourteen thousand, four hundred eighteen".