72707712202 has 8 divisors (see below), whose sum is σ = 109485933156. Its totient is φ = 36212401152.

The previous prime is 72707712193. The next prime is 72707712223. The reversal of 72707712202 is 20221770727.

It can be written as a sum of positive squares in 2 ways, for example, as 72511179841 + 196532361 = 269279^2 + 14019^2 .

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

It is a super-2 number, since 2×72707712202² (a number of 23 digits) contains 22 as substring.

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, 70726833 + ... + 70727860.

Almost surely, 2^72707712202 is an apocalyptic number.

72707712202 is a deficient number, since it is larger than the sum of its proper divisors (36778220954).

72707712202 is a wasteful number, since it uses less digits than its factorization.

72707712202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141454952.

The product of its (nonzero) digits is 38416, while the sum is 37.

The spelling of 72707712202 in words is "seventy-two billion, seven hundred seven million, seven hundred twelve thousand, two hundred two".