70170497 has 2 divisors, whose sum is σ = 70170498. Its totient is φ = 70170496.

The previous prime is 70170491. The next prime is 70170511. The reversal of 70170497 is 79407107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67749361 + 2421136 = 8231^2 + 1556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70170497 is a prime.

It is not a weakly prime, because it can be changed into another prime (70170491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35085248 + 35085249.

It is an arithmetic number, because the mean of its divisors is an integer number (35085249).

Almost surely, 2^70170497 is an apocalyptic number.

It is an amenable number.

70170497 is a deficient number, since it is larger than the sum of its proper divisors (1).

70170497 is an equidigital number, since it uses as much as digits as its factorization.

70170497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 70170497 is about 8376.7832131433. The cubic root of 70170497 is about 412.4628619151.

The spelling of 70170497 in words is "seventy million, one hundred seventy thousand, four hundred ninety-seven".