726790 has 8 divisors (see below), whose sum is σ = 1308240. Its totient is φ = 290712.

The previous prime is 726787. The next prime is 726797. The reversal of 726790 is 97627.

It is a happy number.

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 (726797) 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, 36330 + ... + 36349.

It is an arithmetic number, because the mean of its divisors is an integer number (163530).

2⁷²⁶⁷⁹⁰ is an apocalyptic number.

726790 is a deficient number, since it is larger than the sum of its proper divisors (581450).

726790 is a wasteful number, since it uses less digits than its factorization.

726790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72686.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 726790 is about 852.5197944916. The cubic root of 726790 is about 89.9089614399.

The spelling of 726790 in words is "seven hundred twenty-six thousand, seven hundred ninety".