723926672 has 80 divisors (see below), whose sum is σ = 1650941952. Its totient is φ = 301069440.

The previous prime is 723926669. The next prime is 723926683. The reversal of 723926672 is 276629327.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919463 + ... + 920249.

Almost surely, 2^723926672 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 723926672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825470976).

723926672 is an abundant number, since it is smaller than the sum of its proper divisors (927015280).

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

723926672 is a wasteful number, since it uses less digits than its factorization.

723926672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1030 counting only the distinct ones).

The product of its digits is 381024, while the sum is 44.

The square root of 723926672 is about 26905.8854528150. The cubic root of 723926672 is about 897.9073487048.

The spelling of 723926672 in words is "seven hundred twenty-three million, nine hundred twenty-six thousand, six hundred seventy-two".