74290163 has 2 divisors, whose sum is σ = 74290164. Its totient is φ = 74290162.

The previous prime is 74290157. The next prime is 74290189. The reversal of 74290163 is 36109247.

It is a weak prime.

It is an emirp because it is prime and its reverse (36109247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74290163 - 2²² = 70095859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74290763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37145081 + 37145082.

It is an arithmetic number, because the mean of its divisors is an integer number (37145082).

Almost surely, 2^74290163 is an apocalyptic number.

74290163 is a deficient number, since it is larger than the sum of its proper divisors (1).

74290163 is an equidigital number, since it uses as much as digits as its factorization.

74290163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 74290163 is about 8619.1741483741. The cubic root of 74290163 is about 420.3816693091.

The spelling of 74290163 in words is "seventy-four million, two hundred ninety thousand, one hundred sixty-three".