70106237 has 2 divisors, whose sum is σ = 70106238. Its totient is φ = 70106236.

The previous prime is 70106209. The next prime is 70106243. The reversal of 70106237 is 73260107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69989956 + 116281 = 8366^2 + 341^2 .

It is an emirp because it is prime and its reverse (73260107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70106237 - 2¹² = 70102141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70106287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35053118 + 35053119.

It is an arithmetic number, because the mean of its divisors is an integer number (35053119).

Almost surely, 2^70106237 is an apocalyptic number.

It is an amenable number.

70106237 is a deficient number, since it is larger than the sum of its proper divisors (1).

70106237 is an equidigital number, since it uses as much as digits as its factorization.

70106237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 70106237 is about 8372.9467333789. The cubic root of 70106237 is about 412.3369164939.

The spelling of 70106237 in words is "seventy million, one hundred six thousand, two hundred thirty-seven".