70389107 has 2 divisors, whose sum is σ = 70389108. Its totient is φ = 70389106.

The previous prime is 70389049. The next prime is 70389113. The reversal of 70389107 is 70198307.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70389107 - 2²⁴ = 53611891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70389307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35194553 + 35194554.

It is an arithmetic number, because the mean of its divisors is an integer number (35194554).

Almost surely, 2^70389107 is an apocalyptic number.

70389107 is a deficient number, since it is larger than the sum of its proper divisors (1).

70389107 is an equidigital number, since it uses as much as digits as its factorization.

70389107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 70389107 is about 8389.8216310003. The cubic root of 70389107 is about 412.8907484414.

The spelling of 70389107 in words is "seventy million, three hundred eighty-nine thousand, one hundred seven".