726026 has 8 divisors (see below), whose sum is σ = 1244640. Its totient is φ = 311148.

The previous prime is 726023. The next prime is 726043. The reversal of 726026 is 620627.

It is a happy number.

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

It is a super-2 number, since 2×726026² = 1054227505352, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 725992 and 726010.

It is not an unprimeable number, because it can be changed into a prime (726023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25916 + ... + 25943.

It is an arithmetic number, because the mean of its divisors is an integer number (155580).

2⁷²⁶⁰²⁶ is an apocalyptic number.

726026 is a deficient number, since it is larger than the sum of its proper divisors (518614).

726026 is a wasteful number, since it uses less digits than its factorization.

726026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51868.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 726026 is about 852.0715932362. The cubic root of 726026 is about 89.8774463623.

The spelling of 726026 in words is "seven hundred twenty-six thousand, twenty-six".