72402512215332 has 48 divisors (see below), whose sum is σ = 187803373302272. Its totient is φ = 21559060707840.

The previous prime is 72402512215259. The next prime is 72402512215343. The reversal of 72402512215332 is 23351221520427.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 7485780133 + ... + 7485789804.

Almost surely, 2^{72402512215332} is an apocalyptic number.

It is an amenable number.

72402512215332 is an abundant number, since it is smaller than the sum of its proper divisors (115400861086940).

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

72402512215332 is a wasteful number, since it uses less digits than its factorization.

72402512215332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14971569988 (or 14971569986 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 72402512215332 its reverse (23351221520427), we get a palindrome (95753733735759).

The spelling of 72402512215332 in words is "seventy-two trillion, four hundred two billion, five hundred twelve million, two hundred fifteen thousand, three hundred thirty-two".