70968137 has 2 divisors, whose sum is σ = 70968138. Its totient is φ = 70968136.

The previous prime is 70968127. The next prime is 70968143. The reversal of 70968137 is 73186907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67831696 + 3136441 = 8236^2 + 1771^2 .

It is a cyclic number.

It is not a de Polignac number, because 70968137 - 2⁸ = 70967881 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70968094 and 70968103.

It is not a weakly prime, because it can be changed into another prime (70968127) 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, 35484068 + 35484069.

It is an arithmetic number, because the mean of its divisors is an integer number (35484069).

Almost surely, 2^70968137 is an apocalyptic number.

It is an amenable number.

70968137 is a deficient number, since it is larger than the sum of its proper divisors (1).

70968137 is an equidigital number, since it uses as much as digits as its factorization.

70968137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 70968137 is about 8424.2588398031. The cubic root of 70968137 is about 414.0198225396.

The spelling of 70968137 in words is "seventy million, nine hundred sixty-eight thousand, one hundred thirty-seven".