726500 has 24 divisors (see below), whose sum is σ = 1587768. Its totient is φ = 290400.

The previous prime is 726497. The next prime is 726521. The reversal of 726500 is 5627.

726500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7396 + 719104 = 86^2 + 848^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 1226.

It is an arithmetic number, because the mean of its divisors is an integer number (66157).

2⁷²⁶⁵⁰⁰ is an apocalyptic number.

It is an amenable number.

726500 is an abundant number, since it is smaller than the sum of its proper divisors (861268).

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

726500 is a wasteful number, since it uses less digits than its factorization.

726500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 726500 is about 852.3496934944. The cubic root of 726500 is about 89.8970015122.

The spelling of 726500 in words is "seven hundred twenty-six thousand, five hundred".