72858674228 has 12 divisors (see below), whose sum is σ = 127593181380. Its totient is φ = 36403479552.

The previous prime is 72858674227. The next prime is 72858674243. The reversal of 72858674228 is 82247685827.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5472744484 + 67385929744 = 73978^2 + 259588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72858674227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6458051 + ... + 6469322.

It is an arithmetic number, because the mean of its divisors is an integer number (10632765115).

Almost surely, 2^72858674228 is an apocalyptic number.

It is an amenable number.

72858674228 is a deficient number, since it is larger than the sum of its proper divisors (54734507152).

72858674228 is a wasteful number, since it uses less digits than its factorization.

72858674228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12928786 (or 12928784 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 59.

The spelling of 72858674228 in words is "seventy-two billion, eight hundred fifty-eight million, six hundred seventy-four thousand, two hundred twenty-eight".