722494 has 8 divisors (see below), whose sum is σ = 1140840. Its totient is φ = 342216.

The previous prime is 722489. The next prime is 722509. The reversal of 722494 is 494227.

722494 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 unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9469 + ... + 9544.

It is an arithmetic number, because the mean of its divisors is an integer number (142605).

2⁷²²⁴⁹⁴ is an apocalyptic number.

722494 is a deficient number, since it is larger than the sum of its proper divisors (418346).

722494 is a wasteful number, since it uses less digits than its factorization.

722494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19034.

The product of its digits is 4032, while the sum is 28.

The square root of 722494 is about 849.9964705809. The cubic root of 722494 is about 89.7314629252.

The spelling of 722494 in words is "seven hundred twenty-two thousand, four hundred ninety-four".