700639427 has 2 divisors, whose sum is σ = 700639428. Its totient is φ = 700639426.

The previous prime is 700639403. The next prime is 700639441. The reversal of 700639427 is 724936007.

It is a strong prime.

It is an emirp because it is prime and its reverse (724936007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 700639427 - 2¹⁸ = 700377283 is a prime.

It is not a weakly prime, because it can be changed into another prime (700639477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350319713 + 350319714.

It is an arithmetic number, because the mean of its divisors is an integer number (350319714).

Almost surely, 2^700639427 is an apocalyptic number.

700639427 is a deficient number, since it is larger than the sum of its proper divisors (1).

700639427 is an equidigital number, since it uses as much as digits as its factorization.

700639427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 700639427 is about 26469.5943867676. The cubic root of 700639427 is about 888.1742765075.

The spelling of 700639427 in words is "seven hundred million, six hundred thirty-nine thousand, four hundred twenty-seven".