723371264 has 72 divisors (see below), whose sum is σ = 1800257088. Its totient is φ = 281825280.

The previous prime is 723371261. The next prime is 723371269. The reversal of 723371264 is 462173327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723371261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364 + ... + 38060.

Almost surely, 2^723371264 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 723371264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900128544).

723371264 is an abundant number, since it is smaller than the sum of its proper divisors (1076885824).

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

723371264 is a wasteful number, since it uses less digits than its factorization.

723371264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36731 (or 36717 counting only the distinct ones).

The product of its digits is 42336, while the sum is 35.

The square root of 723371264 is about 26895.5621618140. The cubic root of 723371264 is about 897.6776603784.

The spelling of 723371264 in words is "seven hundred twenty-three million, three hundred seventy-one thousand, two hundred sixty-four".