72560766500 has 96 divisors (see below), whose sum is σ = 161374187520. Its totient is φ = 28494240000.

The previous prime is 72560766463. The next prime is 72560766503. The reversal of 72560766500 is 566706527.

It is not an unprimeable number, because it can be changed into a prime (72560766503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33953432 + ... + 33955568.

It is an arithmetic number, because the mean of its divisors is an integer number (1680981120).

Almost surely, 2^72560766500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72560766500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80687093760).

72560766500 is an abundant number, since it is smaller than the sum of its proper divisors (88813421020).

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

72560766500 is a wasteful number, since it uses less digits than its factorization.

72560766500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 72560766500 in words is "seventy-two billion, five hundred sixty million, seven hundred sixty-six thousand, five hundred".