8474749 has 8 divisors (see below), whose sum is σ = 8805888. Its totient is φ = 8147280.

The previous prime is 8474747. The next prime is 8474761. The reversal of 8474749 is 9474748.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8474749 - 2¹ = 8474747 is a prime.

It is a super-2 number, since 2×8474749² = 143642741226002, which contains 22 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 (8474747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4359 + ... + 5995.

It is an arithmetic number, because the mean of its divisors is an integer number (1100736).

Almost surely, 2^8474749 is an apocalyptic number.

It is an amenable number.

8474749 is a deficient number, since it is larger than the sum of its proper divisors (331139).

8474749 is a wasteful number, since it uses less digits than its factorization.

8474749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835.

The product of its digits is 225792, while the sum is 43.

The square root of 8474749 is about 2911.1422156947. The cubic root of 8474749 is about 203.8804647013.

Subtracting 8474749 from its reverse (9474748), we obtain a palindrome (999999).

The spelling of 8474749 in words is "eight million, four hundred seventy-four thousand, seven hundred forty-nine".