72612565442 has 8 divisors (see below), whose sum is σ = 110297568000. Its totient is φ = 35846709444.

The previous prime is 72612565397. The next prime is 72612565457. The reversal of 72612565442 is 24456521627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72612565393 and 72612565402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229786442 + ... + 229786757.

It is an arithmetic number, because the mean of its divisors is an integer number (13787196000).

Almost surely, 2^72612565442 is an apocalyptic number.

72612565442 is a deficient number, since it is larger than the sum of its proper divisors (37685002558).

72612565442 is a wasteful number, since it uses less digits than its factorization.

72612565442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459573280.

The product of its digits is 806400, while the sum is 44.

The spelling of 72612565442 in words is "seventy-two billion, six hundred twelve million, five hundred sixty-five thousand, four hundred forty-two".