726704 has 20 divisors (see below), whose sum is σ = 1536360. Its totient is φ = 330240.

The previous prime is 726701. The next prime is 726707. The reversal of 726704 is 407627.

It is an interprime number because it is at equal distance from previous prime (726701) and next prime (726707).

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (726701) 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, 1889 + ... + 2240.

It is an arithmetic number, because the mean of its divisors is an integer number (76818).

2⁷²⁶⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

726704 is an abundant number, since it is smaller than the sum of its proper divisors (809656).

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

726704 is a wasteful number, since it uses less digits than its factorization.

726704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148 (or 4142 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 726704 is about 852.4693542879. The cubic root of 726704 is about 89.9054150346.

It can be divided in two parts, 72 and 6704, that added together give a palindrome (6776).

The spelling of 726704 in words is "seven hundred twenty-six thousand, seven hundred four".