704731 has 2 divisors, whose sum is σ = 704732. Its totient is φ = 704730.

The previous prime is 704719. The next prime is 704747. The reversal of 704731 is 137407.

704731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 704731 - 2⁷ = 704603 is a prime.

It is a super-2 number, since 2×704731² = 993291564722, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (704761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352365 + 352366.

It is an arithmetic number, because the mean of its divisors is an integer number (352366).

2⁷⁰⁴⁷³¹ is an apocalyptic number.

704731 is a deficient number, since it is larger than the sum of its proper divisors (1).

704731 is an equidigital number, since it uses as much as digits as its factorization.

704731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 704731 is about 839.4825787353. The cubic root of 704731 is about 88.9899833023.

The spelling of 704731 in words is "seven hundred four thousand, seven hundred thirty-one".