8474129 has 4 divisors (see below), whose sum is σ = 8747520. Its totient is φ = 8200740.

The previous prime is 8474107. The next prime is 8474149. The reversal of 8474129 is 9214748.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8474129 - 2⁸ = 8473873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8474149) 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, 136649 + ... + 136710.

It is an arithmetic number, because the mean of its divisors is an integer number (2186880).

Almost surely, 2^8474129 is an apocalyptic number.

It is an amenable number.

8474129 is a deficient number, since it is larger than the sum of its proper divisors (273391).

8474129 is a wasteful number, since it uses less digits than its factorization.

8474129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273390.

The product of its digits is 16128, while the sum is 35.

The square root of 8474129 is about 2911.0357263352. The cubic root of 8474129 is about 203.8754927165.

The spelling of 8474129 in words is "eight million, four hundred seventy-four thousand, one hundred twenty-nine".