8749617 has 4 divisors (see below), whose sum is σ = 11666160. Its totient is φ = 5833076.

The previous prime is 8749613. The next prime is 8749627. The reversal of 8749617 is 7169478.

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 a cyclic number.

It is not a de Polignac number, because 8749617 - 2² = 8749613 is a prime.

8749617 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8749613) 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, 1458267 + ... + 1458272.

It is an arithmetic number, because the mean of its divisors is an integer number (2916540).

Almost surely, 2^8749617 is an apocalyptic number.

It is an amenable number.

8749617 is a deficient number, since it is larger than the sum of its proper divisors (2916543).

8749617 is a wasteful number, since it uses less digits than its factorization.

8749617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916542.

The product of its digits is 84672, while the sum is 42.

The square root of 8749617 is about 2957.9751520255. The cubic root of 8749617 is about 206.0612583708.

The spelling of 8749617 in words is "eight million, seven hundred forty-nine thousand, six hundred seventeen".