74142111 has 12 divisors (see below), whose sum is σ = 102151896. Its totient is φ = 47831760.

The previous prime is 74142037. The next prime is 74142121. The reversal of 74142111 is 11124147.

It is not a de Polignac number, because 74142111 - 2¹⁹ = 73617823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74142121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9976 + ... + 15741.

It is an arithmetic number, because the mean of its divisors is an integer number (8512658).

Almost surely, 2^74142111 is an apocalyptic number.

74142111 is a deficient number, since it is larger than the sum of its proper divisors (28009785).

74142111 is a wasteful number, since it uses less digits than its factorization.

74142111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25782 (or 25751 counting only the distinct ones).

The product of its digits is 224, while the sum is 21.

The square root of 74142111 is about 8610.5813392593. The cubic root of 74142111 is about 420.1022256837.

Adding to 74142111 its reverse (11124147), we get a palindrome (85266258).

The spelling of 74142111 in words is "seventy-four million, one hundred forty-two thousand, one hundred eleven".