726774 has 16 divisors (see below), whose sum is σ = 1470960. Its totient is φ = 239360.

The previous prime is 726751. The next prime is 726779. The reversal of 726774 is 477627.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726779) 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, 147 + ... + 1214.

It is an arithmetic number, because the mean of its divisors is an integer number (91935).

2⁷²⁶⁷⁷⁴ is an apocalyptic number.

726774 is an abundant number, since it is smaller than the sum of its proper divisors (744186).

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

726774 is a wasteful number, since it uses less digits than its factorization.

726774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455.

The product of its digits is 16464, while the sum is 33.

The square root of 726774 is about 852.5104104936. The cubic root of 726774 is about 89.9083016647.

The spelling of 726774 in words is "seven hundred twenty-six thousand, seven hundred seventy-four".