723796726 has 32 divisors (see below), whose sum is σ = 1198615968. Its totient is φ = 326376960.

The previous prime is 723796721. The next prime is 723796763. The reversal of 723796726 is 627697327.

It is a self number, because there is not a number n which added to its sum of digits gives 723796726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723796721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72816 + ... + 82156.

It is an arithmetic number, because the mean of its divisors is an integer number (37456749).

Almost surely, 2^723796726 is an apocalyptic number.

723796726 is a deficient number, since it is larger than the sum of its proper divisors (474819242).

723796726 is a wasteful number, since it uses less digits than its factorization.

723796726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456.

The product of its digits is 1333584, while the sum is 49.

The square root of 723796726 is about 26903.4705196188. The cubic root of 723796726 is about 897.8536202196.

It can be divided in two parts, 723 and 796726, that added together give a square (797449 = 893²).

The spelling of 723796726 in words is "seven hundred twenty-three million, seven hundred ninety-six thousand, seven hundred twenty-six".