72622704196 has 27 divisors (see below), whose sum is σ = 147846757149. Its totient is φ = 31122399168.

The previous prime is 72622704181. The next prime is 72622704199. The reversal of 72622704196 is 69140722627.

It is a happy number.

The square root of 72622704196 is 269486.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 57991382596 + 14631321600 = 240814^2 + 120960^2 .

It is not an unprimeable number, because it can be changed into a prime (72622704199) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3763180 + ... + 3782428.

Almost surely, 2^72622704196 is an apocalyptic number.

72622704196 is the 269486-th square number.

It is an amenable number.

72622704196 is an abundant number, since it is smaller than the sum of its proper divisors (75224052953).

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

72622704196 is an frugal number, since it uses more digits than its factorization.

72622704196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38516 (or 19258 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 72622704196 in words is "seventy-two billion, six hundred twenty-two million, seven hundred four thousand, one hundred ninety-six".