72004744000 has 112 divisors (see below), whose sum is σ = 203794156800. Its totient is φ = 24687321600.

The previous prime is 72004743997. The next prime is 72004744013. The reversal of 72004744000 is 44740027.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 72004744000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586900 + ... + 698899.

Almost surely, 2^72004744000 is an apocalyptic number.

72004744000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72004744000 is an abundant number, since it is smaller than the sum of its proper divisors (131789412800).

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

72004744000 is a wasteful number, since it uses less digits than its factorization.

72004744000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285833 (or 1285813 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The spelling of 72004744000 in words is "seventy-two billion, four million, seven hundred forty-four thousand".