722734 has 8 divisors (see below), whose sum is σ = 1119168. Its totient is φ = 349680.

The previous prime is 722723. The next prime is 722737. The reversal of 722734 is 437227.

722734 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 junction number, because it is equal to n+sod(n) for n = 722699 and 722708.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5767 + ... + 5890.

It is an arithmetic number, because the mean of its divisors is an integer number (139896).

2⁷²²⁷³⁴ is an apocalyptic number.

722734 is a deficient number, since it is larger than the sum of its proper divisors (396434).

722734 is a wasteful number, since it uses less digits than its factorization.

722734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11690.

The product of its digits is 2352, while the sum is 25.

The square root of 722734 is about 850.1376359155. The cubic root of 722734 is about 89.7413975714.

The spelling of 722734 in words is "seven hundred twenty-two thousand, seven hundred thirty-four".