723240564 has 24 divisors (see below), whose sum is σ = 1726808160. Its totient is φ = 235473504.

The previous prime is 723240563. The next prime is 723240569. The reversal of 723240564 is 465042327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723240563) 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, 700299 + ... + 701330.

It is an arithmetic number, because the mean of its divisors is an integer number (71950340).

Almost surely, 2^723240564 is an apocalyptic number.

It is an amenable number.

723240564 is an abundant number, since it is smaller than the sum of its proper divisors (1003567596).

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

723240564 is a wasteful number, since it uses less digits than its factorization.

723240564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401679 (or 1401677 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 723240564 is about 26893.1322831685. The cubic root of 723240564 is about 897.6235924592.

The spelling of 723240564 in words is "seven hundred twenty-three million, two hundred forty thousand, five hundred sixty-four".