72214658 has 8 divisors (see below), whose sum is σ = 108468480. Its totient is φ = 36058500.

The previous prime is 72214633. The next prime is 72214661. The reversal of 72214658 is 85641227.

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, 22538 + ... + 25541.

It is an arithmetic number, because the mean of its divisors is an integer number (13558560).

Almost surely, 2^72214658 is an apocalyptic number.

72214658 is a deficient number, since it is larger than the sum of its proper divisors (36253822).

72214658 is a wasteful number, since it uses less digits than its factorization.

72214658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48832.

The product of its digits is 26880, while the sum is 35.

The square root of 72214658 is about 8497.9208045262. The cubic root of 72214658 is about 416.4297864940.

The spelling of 72214658 in words is "seventy-two million, two hundred fourteen thousand, six hundred fifty-eight".