705217627 has 2 divisors, whose sum is σ = 705217628. Its totient is φ = 705217626.

The previous prime is 705217603. The next prime is 705217631. The reversal of 705217627 is 726712507.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-705217627 is a prime.

It is a super-2 number, since 2×705217627² = 994663802863022258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (705217127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352608813 + 352608814.

It is an arithmetic number, because the mean of its divisors is an integer number (352608814).

Almost surely, 2^705217627 is an apocalyptic number.

705217627 is a deficient number, since it is larger than the sum of its proper divisors (1).

705217627 is an equidigital number, since it uses as much as digits as its factorization.

705217627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 705217627 is about 26555.9339319859. The cubic root of 705217627 is about 890.1046154851.

The spelling of 705217627 in words is "seven hundred five million, two hundred seventeen thousand, six hundred twenty-seven".