726862 has 4 divisors (see below), whose sum is σ = 1090296. Its totient is φ = 363430.

The previous prime is 726853. The next prime is 726893. The reversal of 726862 is 268627.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

726862 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 181714 + ... + 181717.

It is an arithmetic number, because the mean of its divisors is an integer number (272574).

2⁷²⁶⁸⁶² is an apocalyptic number.

726862 is a deficient number, since it is larger than the sum of its proper divisors (363434).

726862 is a wasteful number, since it uses less digits than its factorization.

726862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363433.

The product of its digits is 8064, while the sum is 31.

The square root of 726862 is about 852.5620212043. The cubic root of 726862 is about 89.9119303082.

The spelling of 726862 in words is "seven hundred twenty-six thousand, eight hundred sixty-two".