74684343 has 4 divisors (see below), whose sum is σ = 99579128. Its totient is φ = 49789560.

The previous prime is 74684341. The next prime is 74684387. The reversal of 74684343 is 34348647.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74684343 - 2¹ = 74684341 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 (74684341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12447388 + ... + 12447393.

It is an arithmetic number, because the mean of its divisors is an integer number (24894782).

Almost surely, 2^74684343 is an apocalyptic number.

74684343 is a deficient number, since it is larger than the sum of its proper divisors (24894785).

74684343 is a wasteful number, since it uses less digits than its factorization.

74684343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24894784.

The product of its digits is 193536, while the sum is 39.

The square root of 74684343 is about 8642.0103563928. The cubic root of 74684343 is about 421.1238664117.

It can be divided in two parts, 7468 and 4343, that added together give a palindrome (11811).

The spelling of 74684343 in words is "seventy-four million, six hundred eighty-four thousand, three hundred forty-three".