8749667 has 4 divisors (see below), whose sum is σ = 8755656. Its totient is φ = 8743680.

The previous prime is 8749651. The next prime is 8749669. The reversal of 8749667 is 7669478.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8749667 - 2⁴ = 8749651 is a prime.

It is a super-2 number, since 2×8749667² = 153113345221778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8749669) 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, 803 + ... + 4259.

It is an arithmetic number, because the mean of its divisors is an integer number (2188914).

Almost surely, 2^8749667 is an apocalyptic number.

8749667 is a deficient number, since it is larger than the sum of its proper divisors (5989).

8749667 is a wasteful number, since it uses less digits than its factorization.

8749667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988.

The product of its digits is 508032, while the sum is 47.

The square root of 8749667 is about 2957.9836037409. The cubic root of 8749667 is about 206.0616508849.

The spelling of 8749667 in words is "eight million, seven hundred forty-nine thousand, six hundred sixty-seven".