146670071 has 2 divisors, whose sum is σ = 146670072. Its totient is φ = 146670070.

The previous prime is 146670061. The next prime is 146670091. The reversal of 146670071 is 170076641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146670071 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146670001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73335035 + 73335036.

It is an arithmetic number, because the mean of its divisors is an integer number (73335036).

Almost surely, 2^146670071 is an apocalyptic number.

146670071 is a deficient number, since it is larger than the sum of its proper divisors (1).

146670071 is an equidigital number, since it uses as much as digits as its factorization.

146670071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 146670071 is about 12110.7419673610. The cubic root of 146670071 is about 527.3680731452.

The spelling of 146670071 in words is "one hundred forty-six million, six hundred seventy thousand, seventy-one".