726876 has 36 divisors (see below), whose sum is σ = 1873144. Its totient is φ = 237600.

The previous prime is 726853. The next prime is 726893. The reversal of 726876 is 678627.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 726876.

It is a congruent number.

It is an unprimeable number.

726876 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 in 11 ways as a sum of consecutive naturals, for example, 2031 + ... + 2361.

2⁷²⁶⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936572).

726876 is an abundant number, since it is smaller than the sum of its proper divisors (1146268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726876 is a wasteful number, since it uses less digits than its factorization.

726876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 397 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 726876 is about 852.5702317111. The cubic root of 726876 is about 89.9125075654.

The spelling of 726876 in words is "seven hundred twenty-six thousand, eight hundred seventy-six".