72392225305 has 8 divisors (see below), whose sum is σ = 86873439744. Its totient is φ = 57911934000.

The previous prime is 72392225303. The next prime is 72392225341. The reversal of 72392225305 is 50352229327.

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

It is not a de Polignac number, because 72392225305 - 2¹ = 72392225303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72392225303) 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, 44601 + ... + 383110.

It is an arithmetic number, because the mean of its divisors is an integer number (10859179968).

Almost surely, 2^72392225305 is an apocalyptic number.

It is an amenable number.

72392225305 is a deficient number, since it is larger than the sum of its proper divisors (14481214439).

72392225305 is a wasteful number, since it uses less digits than its factorization.

72392225305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461567.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 72392225305 in words is "seventy-two billion, three hundred ninety-two million, two hundred twenty-five thousand, three hundred five".