74111143 has 8 divisors (see below), whose sum is σ = 78561360. Its totient is φ = 69671040.

The previous prime is 74111131. The next prime is 74111159. The reversal of 74111143 is 34111147.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74111143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74114143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16888 + ... + 20818.

It is an arithmetic number, because the mean of its divisors is an integer number (9820170).

Almost surely, 2^74111143 is an apocalyptic number.

74111143 is a deficient number, since it is larger than the sum of its proper divisors (4450217).

74111143 is a wasteful number, since it uses less digits than its factorization.

74111143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057.

The product of its digits is 336, while the sum is 22.

The square root of 74111143 is about 8608.7828988772. The cubic root of 74111143 is about 420.0437274956.

The spelling of 74111143 in words is "seventy-four million, one hundred eleven thousand, one hundred forty-three".