726698 has 8 divisors (see below), whose sum is σ = 1245792. Its totient is φ = 311436.

The previous prime is 726697. The next prime is 726701. The reversal of 726698 is 896627.

726698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 726698.

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 3 ways as a sum of consecutive naturals, for example, 25940 + ... + 25967.

It is an arithmetic number, because the mean of its divisors is an integer number (155724).

2⁷²⁶⁶⁹⁸ is an apocalyptic number.

726698 is a deficient number, since it is larger than the sum of its proper divisors (519094).

726698 is a wasteful number, since it uses less digits than its factorization.

726698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51916.

The product of its digits is 36288, while the sum is 38.

The square root of 726698 is about 852.4658350925. The cubic root of 726698 is about 89.9051676005.

The spelling of 726698 in words is "seven hundred twenty-six thousand, six hundred ninety-eight".