723716968 has 16 divisors (see below), whose sum is σ = 1461351780. Its totient is φ = 334023168.

The previous prime is 723716957. The next prime is 723716969. The reversal of 723716968 is 869617327.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 717275524 + 6441444 = 26782^2 + 2538^2 .

It is a super-2 number, since 2×723716968² = 1047532499542226048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (723716969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3479305 + ... + 3479512.

Almost surely, 2^723716968 is an apocalyptic number.

It is an amenable number.

723716968 is an abundant number, since it is smaller than the sum of its proper divisors (737634812).

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

723716968 is a wasteful number, since it uses less digits than its factorization.

723716968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6958836 (or 6958832 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 723716968 is about 26901.9881793149. The cubic root of 723716968 is about 897.8206396709.

The spelling of 723716968 in words is "seven hundred twenty-three million, seven hundred sixteen thousand, nine hundred sixty-eight".