72265631260 has 24 divisors (see below), whose sum is σ = 151914803040. Its totient is φ = 28876352064.

The previous prime is 72265631239. The next prime is 72265631261. The reversal of 72265631260 is 6213656227.

It is a super-2 number, since 2×72265631260² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72265631261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1848955 + ... + 1887634.

It is an arithmetic number, because the mean of its divisors is an integer number (6329783460).

Almost surely, 2^72265631260 is an apocalyptic number.

It is an amenable number.

72265631260 is an abundant number, since it is smaller than the sum of its proper divisors (79649171780).

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

72265631260 is a wasteful number, since it uses less digits than its factorization.

72265631260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737565 (or 3737563 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 72265631260 in words is "seventy-two billion, two hundred sixty-five million, six hundred thirty-one thousand, two hundred sixty".