724845574868 has 12 divisors (see below), whose sum is σ = 1270168815552. Its totient is φ = 361940199000.

The previous prime is 724845574799. The next prime is 724845574897. The reversal of 724845574868 is 868475548427.

It is a super-2 number, since 2×724845574868² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 724845574798 and 724845574807.

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, 120643730 + ... + 120649737.

It is an arithmetic number, because the mean of its divisors is an integer number (105847401296).

Almost surely, 2^724845574868 is an apocalyptic number.

It is an amenable number.

724845574868 is a deficient number, since it is larger than the sum of its proper divisors (545323240684).

724845574868 is a wasteful number, since it uses less digits than its factorization.

724845574868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241294222 (or 241294220 counting only the distinct ones).

The product of its digits is 481689600, while the sum is 68.

The spelling of 724845574868 in words is "seven hundred twenty-four billion, eight hundred forty-five million, five hundred seventy-four thousand, eight hundred sixty-eight".