726276 has 24 divisors (see below), whose sum is σ = 1753920. Its totient is φ = 233632.

The previous prime is 726221. The next prime is 726287. The reversal of 726276 is 672627.

It is an unprimeable number.

726276 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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696 + ... + 1391.

It is an arithmetic number, because the mean of its divisors is an integer number (73080).

2⁷²⁶²⁷⁶ is an apocalyptic number.

726276 is the 696-th pentagonal number.

It is an amenable number.

726276 is an abundant number, since it is smaller than the sum of its proper divisors (1027644).

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

726276 is a wasteful number, since it uses less digits than its factorization.

726276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2121 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 726276 is about 852.2182818973. The cubic root of 726276 is about 89.8877613203.

The spelling of 726276 in words is "seven hundred twenty-six thousand, two hundred seventy-six".