723672968 has 12 divisors (see below), whose sum is σ = 1357029495. Its totient is φ = 361798440.

The previous prime is 723672941. The next prime is 723672991. The reversal of 723672968 is 869276327.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 361836484 + 361836484 = 19022^2 + 19022^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=19022.

It is a super-2 number, since 2×723672968² = 1047405129227858048, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 71333 + ... + 80843.

Almost surely, 2^723672968 is an apocalyptic number.

It is an amenable number.

723672968 is a deficient number, since it is larger than the sum of its proper divisors (633356527).

723672968 is an frugal number, since it uses more digits than its factorization.

723672968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19028 (or 9513 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 723672968 is about 26901.1703834610. The cubic root of 723672968 is about 897.8024442941.

Multiplying 723672968 by its sum of digits (50), we get a square (36183648400 = 190220²).

The spelling of 723672968 in words is "seven hundred twenty-three million, six hundred seventy-two thousand, nine hundred sixty-eight".