72200734280 has 48 divisors (see below), whose sum is σ = 169821909180. Its totient is φ = 27624620672.

The previous prime is 72200734267. The next prime is 72200734327. The reversal of 72200734280 is 8243700227.

It can be written as a sum of positive squares in 2 ways, for example, as 70374539524 + 1826194756 = 265282^2 + 42734^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72200734280.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1684907 + ... + 1727226.

Almost surely, 2^72200734280 is an apocalyptic number.

It is an amenable number.

72200734280 is an abundant number, since it is smaller than the sum of its proper divisors (97621174900).

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

72200734280 is a wasteful number, since it uses less digits than its factorization.

72200734280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412190 (or 3412163 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The spelling of 72200734280 in words is "seventy-two billion, two hundred million, seven hundred thirty-four thousand, two hundred eighty".