724733353922 has 6 divisors (see below), whose sum is σ = 1087101836793. Its totient is φ = 362366074992.

The previous prime is 724733353913. The next prime is 724733353933. The reversal of 724733353922 is 229353337427.

It can be written as a sum of positive squares in 2 ways, for example, as 392716542241 + 332016811681 = 626671^2 + 576209^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=601969.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 902954 + ... + 1504922.

Almost surely, 2^724733353922 is an apocalyptic number.

724733353922 is a deficient number, since it is larger than the sum of its proper divisors (362368482871).

724733353922 is an frugal number, since it uses more digits than its factorization.

724733353922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203940 (or 601971 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 50.

Multiplying 724733353922 by its sum of digits (50), we get a square (36236667696100 = 6019690²).

The spelling of 724733353922 in words is "seven hundred twenty-four billion, seven hundred thirty-three million, three hundred fifty-three thousand, nine hundred twenty-two".