8474709 has 4 divisors (see below), whose sum is σ = 11299616. Its totient is φ = 5649804.

The previous prime is 8474707. The next prime is 8474717. The reversal of 8474709 is 9074748.

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 8474709 - 2¹ = 8474707 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 (8474707) 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, 1412449 + ... + 1412454.

It is an arithmetic number, because the mean of its divisors is an integer number (2824904).

Almost surely, 2^8474709 is an apocalyptic number.

It is an amenable number.

8474709 is a deficient number, since it is larger than the sum of its proper divisors (2824907).

8474709 is a wasteful number, since it uses less digits than its factorization.

8474709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824906.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 8474709 is about 2911.1353455310. The cubic root of 8474709 is about 203.8801439354.

Adding to 8474709 its sum of digits (39), we get a palindrome (8474748).

The spelling of 8474709 in words is "eight million, four hundred seventy-four thousand, seven hundred nine".