722598 has 16 divisors (see below), whose sum is σ = 1463616. Its totient is φ = 237800.

The previous prime is 722581. The next prime is 722599. The reversal of 722598 is 895227.

It is a super-3 number, since 3×722598³ = 1131909018840333576, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (91476).

2⁷²²⁵⁹⁸ is an apocalyptic number.

722598 is an abundant number, since it is smaller than the sum of its proper divisors (741018).

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

722598 is a wasteful number, since it uses less digits than its factorization.

722598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its digits is 10080, while the sum is 33.

The square root of 722598 is about 850.0576451041. The cubic root of 722598 is about 89.7357682086.

The spelling of 722598 in words is "seven hundred twenty-two thousand, five hundred ninety-eight".