72044988338 has 8 divisors (see below), whose sum is σ = 108082948332. Its totient is φ = 36017338896.

The previous prime is 72044988307. The next prime is 72044988343. The reversal of 72044988338 is 83388944027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71761301689 + 283686649 = 267883^2 + 16843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560145 + ... + 2588132.

Almost surely, 2^72044988338 is an apocalyptic number.

72044988338 is a deficient number, since it is larger than the sum of its proper divisors (36037959994).

72044988338 is a wasteful number, since it uses less digits than its factorization.

72044988338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155276.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 72044988338 in words is "seventy-two billion, forty-four million, nine hundred eighty-eight thousand, three hundred thirty-eight".