72409717482 has 16 divisors (see below), whose sum is σ = 153338225472. Its totient is φ = 22716774080.

The previous prime is 72409717481. The next prime is 72409717487. The reversal of 72409717482 is 28471790427.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (72409717481) 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, 354949494 + ... + 354949697.

It is an arithmetic number, because the mean of its divisors is an integer number (9583639092).

Almost surely, 2^72409717482 is an apocalyptic number.

72409717482 is an abundant number, since it is smaller than the sum of its proper divisors (80928507990).

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

72409717482 is a wasteful number, since it uses less digits than its factorization.

72409717482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709899213.

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 72409717482 in words is "seventy-two billion, four hundred nine million, seven hundred seventeen thousand, four hundred eighty-two".