72451725862 has 8 divisors (see below), whose sum is σ = 108807123600. Its totient is φ = 36182684664.

The previous prime is 72451725833. The next prime is 72451725887. The reversal of 72451725862 is 26852715427.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21587037 + ... + 21590392.

It is an arithmetic number, because the mean of its divisors is an integer number (13600890450).

Almost surely, 2^72451725862 is an apocalyptic number.

72451725862 is a deficient number, since it is larger than the sum of its proper divisors (36355397738).

72451725862 is a wasteful number, since it uses less digits than its factorization.

72451725862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43178270.

The product of its digits is 1881600, while the sum is 49.

The spelling of 72451725862 in words is "seventy-two billion, four hundred fifty-one million, seven hundred twenty-five thousand, eight hundred sixty-two".