726975 has 30 divisors (see below), whose sum is σ = 1350360. Its totient is φ = 386640.

The previous prime is 726953. The next prime is 726983. The reversal of 726975 is 579627.

It is not a de Polignac number, because 726975 - 2⁶ = 726911 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 726975.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1846 + ... + 2204.

It is an arithmetic number, because the mean of its divisors is an integer number (45012).

2⁷²⁶⁹⁷⁵ is an apocalyptic number.

726975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

726975 is a deficient number, since it is larger than the sum of its proper divisors (623385).

726975 is a wasteful number, since it uses less digits than its factorization.

726975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 367 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 726975 is about 852.6282894673. The cubic root of 726975 is about 89.9165893869.

The spelling of 726975 in words is "seven hundred twenty-six thousand, nine hundred seventy-five".