70000093 has 2 divisors, whose sum is σ = 70000094. Its totient is φ = 70000092.

The previous prime is 70000081. The next prime is 70000103. The reversal of 70000093 is 39000007.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49042009 + 20958084 = 7003^2 + 4578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70000093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70000093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70000043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000046 + 35000047.

It is an arithmetic number, because the mean of its divisors is an integer number (35000047).

Almost surely, 2^70000093 is an apocalyptic number.

It is an amenable number.

70000093 is a deficient number, since it is larger than the sum of its proper divisors (1).

70000093 is an equidigital number, since it uses as much as digits as its factorization.

70000093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 70000093 is about 8366.6058231519. The cubic root of 70000093 is about 412.1287124948.

The spelling of 70000093 in words is "seventy million, ninety-three", and thus it is an aban number and an uban number.