72294333444 has 18 divisors (see below), whose sum is σ = 182744009630. Its totient is φ = 24098111136.

The previous prime is 72294333439. The next prime is 72294333469. The reversal of 72294333444 is 44433349227.

It can be written as a sum of positive squares in only one way, i.e., 62555012100 + 9739321344 = 250110^2 + 98688^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×72294333444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72294333444.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1004087929 + ... + 1004088000.

Almost surely, 2^72294333444 is an apocalyptic number.

It is an amenable number.

72294333444 is an abundant number, since it is smaller than the sum of its proper divisors (110449676186).

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

72294333444 is a wasteful number, since it uses less digits than its factorization.

72294333444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008175939 (or 2008175934 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 45.

The spelling of 72294333444 in words is "seventy-two billion, two hundred ninety-four million, three hundred thirty-three thousand, four hundred forty-four".