70275917 has 2 divisors, whose sum is σ = 70275918. Its totient is φ = 70275916.

The previous prime is 70275899. The next prime is 70275929. The reversal of 70275917 is 71957207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53743561 + 16532356 = 7331^2 + 4066^2 .

It is a cyclic number.

It is not a de Polignac number, because 70275917 - 2¹⁴ = 70259533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70275217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35137958 + 35137959.

It is an arithmetic number, because the mean of its divisors is an integer number (35137959).

Almost surely, 2^70275917 is an apocalyptic number.

It is an amenable number.

70275917 is a deficient number, since it is larger than the sum of its proper divisors (1).

70275917 is an equidigital number, since it uses as much as digits as its factorization.

70275917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 70275917 is about 8383.0732431490. The cubic root of 70275917 is about 412.6693118244.

The spelling of 70275917 in words is "seventy million, two hundred seventy-five thousand, nine hundred seventeen".