8414729 has 4 divisors (see below), whose sum is σ = 8468484. Its totient is φ = 8360976.

The previous prime is 8414723. The next prime is 8414737. The reversal of 8414729 is 9274148.

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 5359225 + 3055504 = 2315^2 + 1748^2 .

It is a cyclic number.

It is not a de Polignac number, because 8414729 - 2²⁰ = 7366153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8414723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26642 + ... + 26955.

It is an arithmetic number, because the mean of its divisors is an integer number (2117121).

Almost surely, 2^8414729 is an apocalyptic number.

It is an amenable number.

8414729 is a deficient number, since it is larger than the sum of its proper divisors (53755).

8414729 is a wasteful number, since it uses less digits than its factorization.

8414729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53754.

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

The square root of 8414729 is about 2900.8152302413. The cubic root of 8414729 is about 203.3980154934.

The spelling of 8414729 in words is "eight million, four hundred fourteen thousand, seven hundred twenty-nine".