704767139 has 2 divisors, whose sum is σ = 704767140. Its totient is φ = 704767138.

The previous prime is 704767093. The next prime is 704767159. The reversal of 704767139 is 931767407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 704767139 - 2²⁴ = 687989923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 704767139.

It is not a weakly prime, because it can be changed into another prime (704767159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352383569 + 352383570.

It is an arithmetic number, because the mean of its divisors is an integer number (352383570).

Almost surely, 2^704767139 is an apocalyptic number.

704767139 is a deficient number, since it is larger than the sum of its proper divisors (1).

704767139 is an equidigital number, since it uses as much as digits as its factorization.

704767139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 704767139 is about 26547.4507062354. The cubic root of 704767139 is about 889.9150442831.

The spelling of 704767139 in words is "seven hundred four million, seven hundred sixty-seven thousand, one hundred thirty-nine".