74111669 has 4 divisors (see below), whose sum is σ = 76502400. Its totient is φ = 71720940.

The previous prime is 74111633. The next prime is 74111671. The reversal of 74111669 is 96611147.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96611147 = 823 ⋅117389.

It is a cyclic number.

It is not a de Polignac number, because 74111669 - 2⁸ = 74111413 is a prime.

It is a super-2 number, since 2×74111669² = 10985078963931122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74111069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195319 + ... + 1195380.

It is an arithmetic number, because the mean of its divisors is an integer number (19125600).

Almost surely, 2^74111669 is an apocalyptic number.

It is an amenable number.

74111669 is a deficient number, since it is larger than the sum of its proper divisors (2390731).

74111669 is a wasteful number, since it uses less digits than its factorization.

74111669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390730.

The product of its digits is 9072, while the sum is 35.

The square root of 74111669 is about 8608.8134490184. The cubic root of 74111669 is about 420.0447212395.

The spelling of 74111669 in words is "seventy-four million, one hundred eleven thousand, six hundred sixty-nine".