726354 has 16 divisors (see below), whose sum is σ = 1614240. Its totient is φ = 242100.

The previous prime is 726337. The next prime is 726367. The reversal of 726354 is 453627.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

726354 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6672 + ... + 6779.

It is an arithmetic number, because the mean of its divisors is an integer number (100890).

2⁷²⁶³⁵⁴ is an apocalyptic number.

726354 is an abundant number, since it is smaller than the sum of its proper divisors (887886).

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

726354 is a wasteful number, since it uses less digits than its factorization.

726354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13462 (or 13456 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 726354 is about 852.2640435921. The cubic root of 726354 is about 89.8909791027.

The spelling of 726354 in words is "seven hundred twenty-six thousand, three hundred fifty-four".