722694 has 16 divisors (see below), whose sum is σ = 1651968. Its totient is φ = 206472.

The previous prime is 722669. The next prime is 722713. The reversal of 722694 is 496227.

It is a happy number.

It is a congruent number.

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, 8562 + ... + 8645.

It is an arithmetic number, because the mean of its divisors is an integer number (103248).

2⁷²²⁶⁹⁴ is an apocalyptic number.

722694 is an abundant number, since it is smaller than the sum of its proper divisors (929274).

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

722694 is a wasteful number, since it uses less digits than its factorization.

722694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17219.

The product of its digits is 6048, while the sum is 30.

The square root of 722694 is about 850.1141099876. The cubic root of 722694 is about 89.7397419498.

The spelling of 722694 in words is "seven hundred twenty-two thousand, six hundred ninety-four".