72241537247660 has 48 divisors (see below), whose sum is σ = 165522579909120. Its totient is φ = 26265874434240.

The previous prime is 72241537247617. The next prime is 72241537247669. The reversal of 72241537247660 is 6674273514227.

It is a junction number, because it is equal to n+sod(n) for n = 72241537247596 and 72241537247605.

It is not an unprimeable number, because it can be changed into a prime (72241537247669) 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, 22062254 + ... + 25124213.

It is an arithmetic number, because the mean of its divisors is an integer number (3448387081440).

Almost surely, 2^{72241537247660} is an apocalyptic number.

It is an amenable number.

72241537247660 is an abundant number, since it is smaller than the sum of its proper divisors (93281042661460).

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

72241537247660 is a wasteful number, since it uses less digits than its factorization.

72241537247660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47193446 (or 47193444 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 72241537247660 in words is "seventy-two trillion, two hundred forty-one billion, five hundred thirty-seven million, two hundred forty-seven thousand, six hundred sixty".