72256814 has 32 divisors (see below), whose sum is σ = 126346176. Its totient is φ = 30355200.

The previous prime is 72256763. The next prime is 72256837. The reversal of 72256814 is 41865227.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 193532 + ... + 193904.

It is an arithmetic number, because the mean of its divisors is an integer number (3948318).

Almost surely, 2^72256814 is an apocalyptic number.

72256814 is a deficient number, since it is larger than the sum of its proper divisors (54089362).

72256814 is a wasteful number, since it uses less digits than its factorization.

72256814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

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

The square root of 72256814 is about 8500.4008140793. The cubic root of 72256814 is about 416.5108023602.

The spelling of 72256814 in words is "seventy-two million, two hundred fifty-six thousand, eight hundred fourteen".