72036849025 has 6 divisors (see below), whose sum is σ = 89325692822. Its totient is φ = 57629479200.

The previous prime is 72036848993. The next prime is 72036849067. The reversal of 72036849025 is 52094863027.

It can be written as a sum of positive squares in 3 ways, for example, as 129208689 + 71907640336 = 11367^2 + 268156^2 .

It is not a de Polignac number, because 72036849025 - 2⁵ = 72036848993 is a prime.

It is a Duffinian number.

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, 1440736956 + ... + 1440737005.

Almost surely, 2^72036849025 is an apocalyptic number.

It is an amenable number.

72036849025 is a deficient number, since it is larger than the sum of its proper divisors (17288843797).

72036849025 is a wasteful number, since it uses less digits than its factorization.

72036849025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881473971 (or 2881473966 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 72036849025 in words is "seventy-two billion, thirty-six million, eight hundred forty-nine thousand, twenty-five".