74275169 has 4 divisors (see below), whose sum is σ = 76282644. Its totient is φ = 72267696.

The previous prime is 74275151. The next prime is 74275171. The reversal of 74275169 is 96157247.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47886400 + 26388769 = 6920^2 + 5137^2 .

It is a cyclic number.

It is not a de Polignac number, because 74275169 - 2⁸ = 74274913 is a prime.

It is a super-2 number, since 2×74275169² = 11033601459957122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74275129) 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 3 ways as a sum of consecutive naturals, for example, 1003682 + ... + 1003755.

It is an arithmetic number, because the mean of its divisors is an integer number (19070661).

Almost surely, 2^74275169 is an apocalyptic number.

It is an amenable number.

74275169 is a deficient number, since it is larger than the sum of its proper divisors (2007475).

74275169 is a wasteful number, since it uses less digits than its factorization.

74275169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007474.

The product of its digits is 105840, while the sum is 41.

The square root of 74275169 is about 8618.3042995708. The cubic root of 74275169 is about 420.3533854978.

The spelling of 74275169 in words is "seventy-four million, two hundred seventy-five thousand, one hundred sixty-nine".