694444007 has 2 divisors, whose sum is σ = 694444008. Its totient is φ = 694444006.

The previous prime is 694443979. The next prime is 694444013. The reversal of 694444007 is 700444496.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 694444007 - 2⁶ = 694443943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (694444057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347222003 + 347222004.

It is an arithmetic number, because the mean of its divisors is an integer number (347222004).

Almost surely, 2^694444007 is an apocalyptic number.

694444007 is a deficient number, since it is larger than the sum of its proper divisors (1).

694444007 is an equidigital number, since it uses as much as digits as its factorization.

694444007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 694444007 is about 26352.3055348104. The cubic root of 694444007 is about 885.5486217105.

The spelling of 694444007 in words is "six hundred ninety-four million, four hundred forty-four thousand, seven".