70390147 has 2 divisors, whose sum is σ = 70390148. Its totient is φ = 70390146.

The previous prime is 70390123. The next prime is 70390171. The reversal of 70390147 is 74109307.

It is a balanced prime because it is at equal distance from previous prime (70390123) and next prime (70390171).

It is a cyclic number.

It is not a de Polignac number, because 70390147 - 2²³ = 62001539 is a prime.

It is not a weakly prime, because it can be changed into another prime (70390447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35195073 + 35195074.

It is an arithmetic number, because the mean of its divisors is an integer number (35195074).

Almost surely, 2^70390147 is an apocalyptic number.

70390147 is a deficient number, since it is larger than the sum of its proper divisors (1).

70390147 is an equidigital number, since it uses as much as digits as its factorization.

70390147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 70390147 is about 8389.8836106349. The cubic root of 70390147 is about 412.8927819202.

The spelling of 70390147 in words is "seventy million, three hundred ninety thousand, one hundred forty-seven".