74134471 has 4 divisors (see below), whose sum is σ = 74152000. Its totient is φ = 74116944.

The previous prime is 74134429. The next prime is 74134483. The reversal of 74134471 is 17443147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17443147 = 193 ⋅90379.

It is a cyclic number.

It is not a de Polignac number, because 74134471 - 2¹³ = 74126279 is a prime.

It is a super-3 number, since 3×74134471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74134771) 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, 1930 + ... + 12328.

It is an arithmetic number, because the mean of its divisors is an integer number (18538000).

Almost surely, 2^74134471 is an apocalyptic number.

74134471 is a deficient number, since it is larger than the sum of its proper divisors (17529).

74134471 is a wasteful number, since it uses less digits than its factorization.

74134471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17528.

The product of its digits is 9408, while the sum is 31.

The square root of 74134471 is about 8610.1376876331. The cubic root of 74134471 is about 420.0877953273.

The spelling of 74134471 in words is "seventy-four million, one hundred thirty-four thousand, four hundred seventy-one".