726394 has 8 divisors (see below), whose sum is σ = 1094688. Its totient is φ = 361500.

The previous prime is 726391. The next prime is 726413. The reversal of 726394 is 493627.

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 (726391) 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, 222 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (136836).

2⁷²⁶³⁹⁴ is an apocalyptic number.

726394 is a deficient number, since it is larger than the sum of its proper divisors (368294).

726394 is a wasteful number, since it uses less digits than its factorization.

726394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700.

The product of its digits is 9072, while the sum is 31.

The square root of 726394 is about 852.2875101748. The cubic root of 726394 is about 89.8926291582.

The spelling of 726394 in words is "seven hundred twenty-six thousand, three hundred ninety-four".