72827873144 has 16 divisors (see below), whose sum is σ = 147056282520. Its totient is φ = 33612864480.

The previous prime is 72827873123. The next prime is 72827873147. The reversal of 72827873144 is 44137872827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72827873147) 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, 350133902 + ... + 350134109.

Almost surely, 2^72827873144 is an apocalyptic number.

It is an amenable number.

72827873144 is an abundant number, since it is smaller than the sum of its proper divisors (74228409376).

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

72827873144 is a wasteful number, since it uses less digits than its factorization.

72827873144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700268030 (or 700268026 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 53.

The spelling of 72827873144 in words is "seventy-two billion, eight hundred twenty-seven million, eight hundred seventy-three thousand, one hundred forty-four".