700021727 has 2 divisors, whose sum is σ = 700021728. Its totient is φ = 700021726.

The previous prime is 700021711. The next prime is 700021771. The reversal of 700021727 is 727120007.

It is a weak prime.

It is an emirp because it is prime and its reverse (727120007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 700021727 - 2⁴ = 700021711 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 700021696 and 700021705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700021027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350010863 + 350010864.

It is an arithmetic number, because the mean of its divisors is an integer number (350010864).

Almost surely, 2^700021727 is an apocalyptic number.

700021727 is a deficient number, since it is larger than the sum of its proper divisors (1).

700021727 is an equidigital number, since it uses as much as digits as its factorization.

700021727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 700021727 is about 26457.9237091651. The cubic root of 700021727 is about 887.9131880715.

The spelling of 700021727 in words is "seven hundred million, twenty-one thousand, seven hundred twenty-seven".