72710752020 has 96 divisors (see below), whose sum is σ = 221392217088. Its totient is φ = 17755748352.

The previous prime is 72710751991. The next prime is 72710752033. The reversal of 72710752020 is 2025701727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 925572 + ... + 1001051.

It is an arithmetic number, because the mean of its divisors is an integer number (2306168928).

Almost surely, 2^72710752020 is an apocalyptic number.

It is an amenable number.

72710752020 is an abundant number, since it is smaller than the sum of its proper divisors (148681465068).

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

72710752020 is a wasteful number, since it uses less digits than its factorization.

72710752020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926689 (or 1926687 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The spelling of 72710752020 in words is "seventy-two billion, seven hundred ten million, seven hundred fifty-two thousand, twenty".