72318104445136 has 40 divisors (see below), whose sum is σ = 152854767677664. Its totient is φ = 32871738264960.

The previous prime is 72318104445121. The next prime is 72318104445143. The reversal of 72318104445136 is 63154440181327.

It is a self number, because there is not a number n which added to its sum of digits gives 72318104445136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56377975 + ... + 57646441.

Almost surely, 2^{72318104445136} is an apocalyptic number.

It is an amenable number.

72318104445136 is an abundant number, since it is smaller than the sum of its proper divisors (80536663232528).

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

72318104445136 is a wasteful number, since it uses less digits than its factorization.

72318104445136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592419 (or 1592413 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 72318104445136 in words is "seventy-two trillion, three hundred eighteen billion, one hundred four million, four hundred forty-five thousand, one hundred thirty-six".