726926 has 4 divisors (see below), whose sum is σ = 1090392. Its totient is φ = 363462.

The previous prime is 726923. The next prime is 726941. The reversal of 726926 is 629627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 629627 = 97 ⋅6491.

It is a junction number, because it is equal to n+sod(n) for n = 726892 and 726901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726923) 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 as a sum of consecutive naturals, namely, 181730 + ... + 181733.

It is an arithmetic number, because the mean of its divisors is an integer number (272598).

2⁷²⁶⁹²⁶ is an apocalyptic number.

726926 is a deficient number, since it is larger than the sum of its proper divisors (363466).

726926 is a wasteful number, since it uses less digits than its factorization.

726926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363465.

The product of its digits is 9072, while the sum is 32.

The square root of 726926 is about 852.5995543044. The cubic root of 726926 is about 89.9145691377.

It can be divided in two parts, 726 and 926, that multiplied together give a palindrome (672276).

The spelling of 726926 in words is "seven hundred twenty-six thousand, nine hundred twenty-six".