72225789390 has 48 divisors (see below), whose sum is σ = 187821127728. Its totient is φ = 19256715648.

The previous prime is 72225789373. The next prime is 72225789401. The reversal of 72225789390 is 9398752227.

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 23 ways as a sum of consecutive naturals, for example, 446389 + ... + 586271.

It is an arithmetic number, because the mean of its divisors is an integer number (3912940161).

Almost surely, 2^72225789390 is an apocalyptic number.

72225789390 is an abundant number, since it is smaller than the sum of its proper divisors (115595338338).

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

72225789390 is a wasteful number, since it uses less digits than its factorization.

72225789390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145633 (or 145630 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 72225789390 in words is "seventy-two billion, two hundred twenty-five million, seven hundred eighty-nine thousand, three hundred ninety".