72657914 has 8 divisors (see below), whose sum is σ = 124556448. Its totient is φ = 31139100.

The previous prime is 72657901. The next prime is 72657929. The reversal of 72657914 is 41975627.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594912 + ... + 2594939.

It is an arithmetic number, because the mean of its divisors is an integer number (15569556).

Almost surely, 2^72657914 is an apocalyptic number.

72657914 is a deficient number, since it is larger than the sum of its proper divisors (51898534).

72657914 is a wasteful number, since it uses less digits than its factorization.

72657914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189860.

The product of its digits is 105840, while the sum is 41.

The square root of 72657914 is about 8523.9611683771. The cubic root of 72657914 is about 417.2800691843.

The spelling of 72657914 in words is "seventy-two million, six hundred fifty-seven thousand, nine hundred fourteen".