74955163 has 2 divisors, whose sum is σ = 74955164. Its totient is φ = 74955162.

The previous prime is 74955131. The next prime is 74955211. The reversal of 74955163 is 36155947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74955163 - 2⁵ = 74955131 is a prime.

It is not a weakly prime, because it can be changed into another prime (74955103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37477581 + 37477582.

It is an arithmetic number, because the mean of its divisors is an integer number (37477582).

Almost surely, 2^74955163 is an apocalyptic number.

74955163 is a deficient number, since it is larger than the sum of its proper divisors (1).

74955163 is an equidigital number, since it uses as much as digits as its factorization.

74955163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 40.

The square root of 74955163 is about 8657.6649854334. The cubic root of 74955163 is about 421.6322781422.

The spelling of 74955163 in words is "seventy-four million, nine hundred fifty-five thousand, one hundred sixty-three".