722534 has 16 divisors (see below), whose sum is σ = 1166400. Its totient is φ = 334464.

The previous prime is 722521. The next prime is 722537. The reversal of 722534 is 435227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722537) 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, 2552 + ... + 2820.

It is an arithmetic number, because the mean of its divisors is an integer number (72900).

2⁷²²⁵³⁴ is an apocalyptic number.

722534 is a deficient number, since it is larger than the sum of its proper divisors (443866).

722534 is a wasteful number, since it uses less digits than its factorization.

722534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367.

The product of its digits is 1680, while the sum is 23.

The square root of 722534 is about 850.0199997647. The cubic root of 722534 is about 89.7331188523.

The spelling of 722534 in words is "seven hundred twenty-two thousand, five hundred thirty-four".