725698 has 8 divisors (see below), whose sum is σ = 1092240. Its totient is φ = 361620.

The previous prime is 725687. The next prime is 725723. The reversal of 725698 is 896527.

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

It is an alternating number because its digits alternate between odd and even.

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, 613 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (136530).

2⁷²⁵⁶⁹⁸ is an apocalyptic number.

725698 is a deficient number, since it is larger than the sum of its proper divisors (366542).

725698 is a wasteful number, since it uses less digits than its factorization.

725698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its digits is 30240, while the sum is 37.

The square root of 725698 is about 851.8790994032. The cubic root of 725698 is about 89.8639095455.

The spelling of 725698 in words is "seven hundred twenty-five thousand, six hundred ninety-eight".