72725076020 has 48 divisors (see below), whose sum is σ = 161825462400. Its totient is φ = 27376444800.

The previous prime is 72725075993. The next prime is 72725076037. The reversal of 72725076020 is 2067052727.

It is a super-2 number, since 2×72725076020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576335 + ... + 691094.

It is an arithmetic number, because the mean of its divisors is an integer number (3371363800).

Almost surely, 2^72725076020 is an apocalyptic number.

It is an amenable number.

72725076020 is an abundant number, since it is smaller than the sum of its proper divisors (89100386380).

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

72725076020 is a wasteful number, since it uses less digits than its factorization.

72725076020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267608 (or 1267606 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The spelling of 72725076020 in words is "seventy-two billion, seven hundred twenty-five million, seventy-six thousand, twenty".