722735 has 8 divisors (see below), whose sum is σ = 934080. Its totient is φ = 533664.

The previous prime is 722723. The next prime is 722737. The reversal of 722735 is 537227.

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

It is a cyclic number.

It is not a de Polignac number, because 722735 - 2⁸ = 722479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5495 + ... + 5624.

It is an arithmetic number, because the mean of its divisors is an integer number (116760).

2⁷²²⁷³⁵ is an apocalyptic number.

722735 is a deficient number, since it is larger than the sum of its proper divisors (211345).

722735 is a wasteful number, since it uses less digits than its factorization.

722735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137.

The product of its digits is 2940, while the sum is 26.

The square root of 722735 is about 850.1382240554. The cubic root of 722735 is about 89.7414389612.

The spelling of 722735 in words is "seven hundred twenty-two thousand, seven hundred thirty-five".