74111893 has 4 divisors (see below), whose sum is σ = 74336128. Its totient is φ = 73887660.

The previous prime is 74111879. The next prime is 74111897. The reversal of 74111893 is 39811147.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74111893 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 (74111897) 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, 111621 + ... + 112282.

It is an arithmetic number, because the mean of its divisors is an integer number (18584032).

Almost surely, 2^74111893 is an apocalyptic number.

It is an amenable number.

74111893 is a deficient number, since it is larger than the sum of its proper divisors (224235).

74111893 is a wasteful number, since it uses less digits than its factorization.

74111893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224234.

The product of its digits is 6048, while the sum is 34.

The square root of 74111893 is about 8608.8264589316. The cubic root of 74111893 is about 420.0451444293.

The spelling of 74111893 in words is "seventy-four million, one hundred eleven thousand, eight hundred ninety-three".