72862649880 has 32 divisors (see below), whose sum is σ = 218587950000. Its totient is φ = 19430039936.

The previous prime is 72862649861. The next prime is 72862649903. The reversal of 72862649880 is 8894626827.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303594255 + ... + 303594494.

Almost surely, 2^72862649880 is an apocalyptic number.

It is an amenable number.

72862649880 is an abundant number, since it is smaller than the sum of its proper divisors (145725300120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72862649880 is a wasteful number, since it uses less digits than its factorization.

72862649880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607188763 (or 607188759 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 72862649880 in words is "seventy-two billion, eight hundred sixty-two million, six hundred forty-nine thousand, eight hundred eighty".