72856214 has 4 divisors (see below), whose sum is σ = 109284324. Its totient is φ = 36428106.

The previous prime is 72856213. The next prime is 72856247. The reversal of 72856214 is 41265827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41265827 = 293 ⋅140839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72856211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18214052 + ... + 18214055.

It is an arithmetic number, because the mean of its divisors is an integer number (27321081).

Almost surely, 2^72856214 is an apocalyptic number.

72856214 is a deficient number, since it is larger than the sum of its proper divisors (36428110).

72856214 is a wasteful number, since it uses less digits than its factorization.

72856214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36428109.

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

The square root of 72856214 is about 8535.5851586168. The cubic root of 72856214 is about 417.6593418102.

The spelling of 72856214 in words is "seventy-two million, eight hundred fifty-six thousand, two hundred fourteen".