72024991672 has 32 divisors (see below), whose sum is σ = 144713595600. Its totient is φ = 33485745664.

The previous prime is 72024991669. The next prime is 72024991673. The reversal of 72024991672 is 27619942027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72024991673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3179047 + ... + 3201622.

Almost surely, 2^72024991672 is an apocalyptic number.

It is an amenable number.

72024991672 is an abundant number, since it is smaller than the sum of its proper divisors (72688603928).

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

72024991672 is a wasteful number, since it uses less digits than its factorization.

72024991672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380775 (or 6380771 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 72024991672 in words is "seventy-two billion, twenty-four million, nine hundred ninety-one thousand, six hundred seventy-two".