74169443 has 4 divisors (see below), whose sum is σ = 76727040. Its totient is φ = 71611848.

The previous prime is 74169421. The next prime is 74169467. The reversal of 74169443 is 34496147.

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

It is a cyclic number.

It is not a de Polignac number, because 74169443 - 2⁶ = 74169379 is a prime.

It is a super-2 number, since 2×74169443² = 11002212549860498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74169397 and 74169406.

It is not an unprimeable number, because it can be changed into a prime (74169493) 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, 1278755 + ... + 1278812.

It is an arithmetic number, because the mean of its divisors is an integer number (19181760).

Almost surely, 2^74169443 is an apocalyptic number.

74169443 is a deficient number, since it is larger than the sum of its proper divisors (2557597).

74169443 is a wasteful number, since it uses less digits than its factorization.

74169443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557596.

The product of its digits is 72576, while the sum is 38.

The square root of 74169443 is about 8612.1683100135. The cubic root of 74169443 is about 420.1538419794.

The spelling of 74169443 in words is "seventy-four million, one hundred sixty-nine thousand, four hundred forty-three".