74149111 has 2 divisors, whose sum is σ = 74149112. Its totient is φ = 74149110.

The previous prime is 74149109. The next prime is 74149199. The reversal of 74149111 is 11194147.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74149111 - 2¹ = 74149109 is a prime.

Together with 74149109, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 74149111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74149211) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37074555 + 37074556.

It is an arithmetic number, because the mean of its divisors is an integer number (37074556).

Almost surely, 2^74149111 is an apocalyptic number.

74149111 is a deficient number, since it is larger than the sum of its proper divisors (1).

74149111 is an equidigital number, since it uses as much as digits as its factorization.

74149111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 28.

The square root of 74149111 is about 8610.9878062856. The cubic root of 74149111 is about 420.1154463442.

The spelling of 74149111 in words is "seventy-four million, one hundred forty-nine thousand, one hundred eleven".