72076566508220 has 48 divisors (see below), whose sum is σ = 156698783273088. Its totient is φ = 27830671879680.

The previous prime is 72076566508139. The next prime is 72076566508223. The reversal of 72076566508220 is 2280566567027.

It is a super-2 number, since 2×72076566508220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72076566508223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525117671 + ... + 525254910.

It is an arithmetic number, because the mean of its divisors is an integer number (3264557984856).

Almost surely, 2^{72076566508220} is an apocalyptic number.

It is an amenable number.

72076566508220 is an abundant number, since it is smaller than the sum of its proper divisors (84622216764868).

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

72076566508220 is a wasteful number, since it uses less digits than its factorization.

72076566508220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050372710 (or 1050372708 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 72076566508220 in words is "seventy-two trillion, seventy-six billion, five hundred sixty-six million, five hundred eight thousand, two hundred twenty".