72872871580 has 48 divisors (see below), whose sum is σ = 154658911680. Its totient is φ = 28839872000.

The previous prime is 72872871571. The next prime is 72872871587. The reversal of 72872871580 is 8517827827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72872871587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2979441 + ... + 3003799.

It is an arithmetic number, because the mean of its divisors is an integer number (3222060660).

Almost surely, 2^72872871580 is an apocalyptic number.

It is an amenable number.

72872871580 is an abundant number, since it is smaller than the sum of its proper divisors (81786040100).

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

72872871580 is a wasteful number, since it uses less digits than its factorization.

72872871580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25950 (or 25948 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 55.

The spelling of 72872871580 in words is "seventy-two billion, eight hundred seventy-two million, eight hundred seventy-one thousand, five hundred eighty".