74144133 has 16 divisors (see below), whose sum is σ = 125535360. Its totient is φ = 42367968.

The previous prime is 74144131. The next prime is 74144173. The reversal of 74144133 is 33144147.

It is not a de Polignac number, because 74144133 - 2¹ = 74144131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 74144097 and 74144106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74144131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195960 + ... + 196337.

It is an arithmetic number, because the mean of its divisors is an integer number (7845960).

Almost surely, 2^74144133 is an apocalyptic number.

It is an amenable number.

74144133 is a deficient number, since it is larger than the sum of its proper divisors (51391227).

74144133 is a wasteful number, since it uses less digits than its factorization.

74144133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392313 (or 392307 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 74144133 is about 8610.6987521339. The cubic root of 74144133 is about 420.1060446514.

The spelling of 74144133 in words is "seventy-four million, one hundred forty-four thousand, one hundred thirty-three".