726135 has 8 divisors (see below), whose sum is σ = 1161840. Its totient is φ = 387264.

The previous prime is 726109. The next prime is 726137. The reversal of 726135 is 531627.

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

It is not a de Polignac number, because 726135 - 2⁶ = 726071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726137) 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 7 ways as a sum of consecutive naturals, for example, 24190 + ... + 24219.

It is an arithmetic number, because the mean of its divisors is an integer number (145230).

2⁷²⁶¹³⁵ is an apocalyptic number.

726135 is a deficient number, since it is larger than the sum of its proper divisors (435705).

726135 is a wasteful number, since it uses less digits than its factorization.

726135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48417.

The product of its digits is 1260, while the sum is 24.

The square root of 726135 is about 852.1355525971. The cubic root of 726135 is about 89.8819439751.

It can be divided in two parts, 726 and 135, that added together give a triangular number (861 = T₄₁).

The spelling of 726135 in words is "seven hundred twenty-six thousand, one hundred thirty-five".