726355 has 8 divisors (see below), whose sum is σ = 996192. Its totient is φ = 498048.

The previous prime is 726337. The next prime is 726367. The reversal of 726355 is 553627.

726355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 726355 - 2¹³ = 718163 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10342 + ... + 10411.

It is an arithmetic number, because the mean of its divisors is an integer number (124524).

2⁷²⁶³⁵⁵ is an apocalyptic number.

726355 is a deficient number, since it is larger than the sum of its proper divisors (269837).

726355 is a wasteful number, since it uses less digits than its factorization.

726355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20765.

The product of its digits is 6300, while the sum is 28.

The square root of 726355 is about 852.2646302646. The cubic root of 726355 is about 89.8910203548.

Adding to 726355 its product of digits (6300), we get a triangular number (732655 = T₁₂₁₀).

It can be divided in two parts, 726 and 355, that added together give a triangular number (1081 = T₄₆).

The spelling of 726355 in words is "seven hundred twenty-six thousand, three hundred fifty-five".