74269169 has 4 divisors (see below), whose sum is σ = 79982196. Its totient is φ = 68556144.

The previous prime is 74269159. The next prime is 74269171. The reversal of 74269169 is 96196247.

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 33500944 + 40768225 = 5788^2 + 6385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74269169 is a prime.

It is a super-2 number, since 2×74269169² = 11031818927901122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74269109) 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, 2856494 + ... + 2856519.

It is an arithmetic number, because the mean of its divisors is an integer number (19995549).

Almost surely, 2^74269169 is an apocalyptic number.

It is an amenable number.

74269169 is a deficient number, since it is larger than the sum of its proper divisors (5713027).

74269169 is a wasteful number, since it uses less digits than its factorization.

74269169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713026.

The product of its digits is 163296, while the sum is 44.

The square root of 74269169 is about 8617.9561962219. The cubic root of 74269169 is about 420.3420663797.

The spelling of 74269169 in words is "seventy-four million, two hundred sixty-nine thousand, one hundred sixty-nine".