724896172 has 96 divisors (see below), whose sum is σ = 1713761280. Its totient is φ = 259096320.

The previous prime is 724896163. The next prime is 724896191. The reversal of 724896172 is 271698427.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788329 + ... + 789247.

It is an arithmetic number, because the mean of its divisors is an integer number (17851680).

Almost surely, 2^724896172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 724896172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856880640).

724896172 is an abundant number, since it is smaller than the sum of its proper divisors (988865108).

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

724896172 is a wasteful number, since it uses less digits than its factorization.

724896172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1149 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 724896172 is about 26923.8959290813. The cubic root of 724896172 is about 898.3080029374.

The spelling of 724896172 in words is "seven hundred twenty-four million, eight hundred ninety-six thousand, one hundred seventy-two".