72256862 has 4 divisors (see below), whose sum is σ = 108385296. Its totient is φ = 36128430.

The previous prime is 72256859. The next prime is 72256889. The reversal of 72256862 is 26865227.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18064214 + ... + 18064217.

It is an arithmetic number, because the mean of its divisors is an integer number (27096324).

Almost surely, 2^72256862 is an apocalyptic number.

72256862 is a deficient number, since it is larger than the sum of its proper divisors (36128434).

72256862 is a wasteful number, since it uses less digits than its factorization.

72256862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36128433.

The product of its digits is 80640, while the sum is 38.

The square root of 72256862 is about 8500.4036374751. The cubic root of 72256862 is about 416.5108945892.

The spelling of 72256862 in words is "seventy-two million, two hundred fifty-six thousand, eight hundred sixty-two".