72227757590 has 8 divisors (see below), whose sum is σ = 130009963680. Its totient is φ = 28891103032.

The previous prime is 72227757457. The next prime is 72227757619. The reversal of 72227757590 is 9575772227.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3611387870 + ... + 3611387889.

It is an arithmetic number, because the mean of its divisors is an integer number (16251245460).

Almost surely, 2^72227757590 is an apocalyptic number.

72227757590 is a deficient number, since it is larger than the sum of its proper divisors (57782206090).

72227757590 is a wasteful number, since it uses less digits than its factorization.

72227757590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7222775766.

The product of its (nonzero) digits is 4321800, while the sum is 53.

The spelling of 72227757590 in words is "seventy-two billion, two hundred twenty-seven million, seven hundred fifty-seven thousand, five hundred ninety".