726454 has 8 divisors (see below), whose sum is σ = 1124928. Its totient is φ = 351480.

The previous prime is 726431. The next prime is 726457. The reversal of 726454 is 454627.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5797 + ... + 5920.

It is an arithmetic number, because the mean of its divisors is an integer number (140616).

2⁷²⁶⁴⁵⁴ is an apocalyptic number.

726454 is a deficient number, since it is larger than the sum of its proper divisors (398474).

726454 is a wasteful number, since it uses less digits than its factorization.

726454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11750.

The product of its digits is 6720, while the sum is 28.

The square root of 726454 is about 852.3227088374. The cubic root of 726454 is about 89.8951041278.

The spelling of 726454 in words is "seven hundred twenty-six thousand, four hundred fifty-four".