726693 has 24 divisors (see below), whose sum is σ = 1133856. Its totient is φ = 410400.

The previous prime is 726689. The next prime is 726697. The reversal of 726693 is 396627.

726693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (726689) and next prime (726697).

It is not a de Polignac number, because 726693 - 2² = 726689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

726693 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11883 + ... + 11943.

It is an arithmetic number, because the mean of its divisors is an integer number (47244).

2⁷²⁶⁶⁹³ is an apocalyptic number.

It is an amenable number.

726693 is a deficient number, since it is larger than the sum of its proper divisors (407163).

726693 is a wasteful number, since it uses less digits than its factorization.

726693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 94 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 726693 is about 852.4629024186. The cubic root of 726693 is about 89.9049614044.

The spelling of 726693 in words is "seven hundred twenty-six thousand, six hundred ninety-three".