74149963 has 2 divisors, whose sum is σ = 74149964. Its totient is φ = 74149962.

The previous prime is 74149939. The next prime is 74149991. The reversal of 74149963 is 36994147.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74149963 - 2⁹ = 74149451 is a prime.

It is not a weakly prime, because it can be changed into another prime (74149363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37074981 + 37074982.

It is an arithmetic number, because the mean of its divisors is an integer number (37074982).

Almost surely, 2^74149963 is an apocalyptic number.

74149963 is a deficient number, since it is larger than the sum of its proper divisors (1).

74149963 is an equidigital number, since it uses as much as digits as its factorization.

74149963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 74149963 is about 8611.0372778197. The cubic root of 74149963 is about 420.1170554307.

The spelling of 74149963 in words is "seventy-four million, one hundred forty-nine thousand, nine hundred sixty-three".