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74868443 = 135759111
BaseRepresentation
bin1000111011001…
…10011011011011
312012212201012022
410131212123123
5123131242233
611232405055
71566241226
oct435463333
9165781168
1074868443
1139296851
12210a678b
1312684770
149d2c5bd
15688d398
hex47666db

74868443 has 4 divisors (see below), whose sum is σ = 80627568. Its totient is φ = 69109320.

The previous prime is 74868439. The next prime is 74868481. The reversal of 74868443 is 34486847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34486847 = 285712071.

It is a cyclic number.

It is not a de Polignac number, because 74868443 - 22 = 74868439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74868394 and 74868403.

It is not an unprimeable number, because it can be changed into a prime (74868403) 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, 2879543 + ... + 2879568.

It is an arithmetic number, because the mean of its divisors is an integer number (20156892).

Almost surely, 274868443 is an apocalyptic number.

74868443 is a deficient number, since it is larger than the sum of its proper divisors (5759125).

74868443 is a wasteful number, since it uses less digits than its factorization.

74868443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759124.

The product of its digits is 516096, while the sum is 44.

The square root of 74868443 is about 8652.6552572028. The cubic root of 74868443 is about 421.4696117349.

It can be divided in two parts, 7486844 and 3, that added together give a palindrome (7486847).

The spelling of 74868443 in words is "seventy-four million, eight hundred sixty-eight thousand, four hundred forty-three".

Divisors: 1 13 5759111 74868443