704200643 has 2 divisors, whose sum is σ = 704200644. Its totient is φ = 704200642.

The previous prime is 704200621. The next prime is 704200657. The reversal of 704200643 is 346002407.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 704200643 - 2⁶ = 704200579 is a prime.

It is a super-2 number, since 2×704200643² = 991797091203226898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (704200603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352100321 + 352100322.

It is an arithmetic number, because the mean of its divisors is an integer number (352100322).

Almost surely, 2^704200643 is an apocalyptic number.

704200643 is a deficient number, since it is larger than the sum of its proper divisors (1).

704200643 is an equidigital number, since it uses as much as digits as its factorization.

704200643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 704200643 is about 26536.7790622751. The cubic root of 704200643 is about 889.6765407073.

The spelling of 704200643 in words is "seven hundred four million, two hundred thousand, six hundred forty-three".