72600069136 has 45 divisors (see below), whose sum is σ = 163644967551. Its totient is φ = 31111082016.

The previous prime is 72600069119. The next prime is 72600069161. The reversal of 72600069136 is 63196000627.

The square root of 72600069136 is 269444.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7539621 + ... + 7549243.

Almost surely, 2^72600069136 is an apocalyptic number.

72600069136 is the 269444-th square number.

It is an amenable number.

72600069136 is an abundant number, since it is smaller than the sum of its proper divisors (91044898415).

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

72600069136 is an frugal number, since it uses more digits than its factorization.

72600069136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19268 (or 9632 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 72600069136 in words is "seventy-two billion, six hundred million, sixty-nine thousand, one hundred thirty-six".