723814730 has 8 divisors (see below), whose sum is σ = 1302866532. Its totient is φ = 289525888.

The previous prime is 723814699. The next prime is 723814739. The reversal of 723814730 is 37418327.

It can be written as a sum of positive squares in 2 ways, for example, as 666827329 + 56987401 = 25823^2 + 7549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (723814739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36190727 + ... + 36190746.

Almost surely, 2^723814730 is an apocalyptic number.

723814730 is a deficient number, since it is larger than the sum of its proper divisors (579051802).

723814730 is a wasteful number, since it uses less digits than its factorization.

723814730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72381480.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 723814730 is about 26903.8051212092. The cubic root of 723814730 is about 897.8610646774.

The spelling of 723814730 in words is "seven hundred twenty-three million, eight hundred fourteen thousand, seven hundred thirty".