70346249 has 2 divisors, whose sum is σ = 70346250. Its totient is φ = 70346248.

The previous prime is 70346239. The next prime is 70346291. The reversal of 70346249 is 94264307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51380224 + 18966025 = 7168^2 + 4355^2 .

It is an emirp because it is prime and its reverse (94264307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70346249 - 2⁴ = 70346233 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (70346209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35173124 + 35173125.

It is an arithmetic number, because the mean of its divisors is an integer number (35173125).

Almost surely, 2^70346249 is an apocalyptic number.

It is an amenable number.

70346249 is a deficient number, since it is larger than the sum of its proper divisors (1).

70346249 is an equidigital number, since it uses as much as digits as its factorization.

70346249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 70346249 is about 8387.2670757524. The cubic root of 70346249 is about 412.8069321374.

The spelling of 70346249 in words is "seventy million, three hundred forty-six thousand, two hundred forty-nine".