8748745 has 4 divisors (see below), whose sum is σ = 10498500. Its totient is φ = 6998992.

The previous prime is 8748743. The next prime is 8748767. The reversal of 8748745 is 5478478.

8748745 = 2091² + 2092².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5478478 = 2 ⋅2739239.

It can be written as a sum of positive squares in 2 ways, for example, as 4376464 + 4372281 = 2092^2 + 2091^2 .

It is a cyclic number.

It is not a de Polignac number, because 8748745 - 2¹ = 8748743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8748743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874870 + ... + 874879.

It is an arithmetic number, because the mean of its divisors is an integer number (2624625).

Almost surely, 2^8748745 is an apocalyptic number.

8748745 is the 2092-nd centered square number.

It is an amenable number.

8748745 is a deficient number, since it is larger than the sum of its proper divisors (1749755).

8748745 is a wasteful number, since it uses less digits than its factorization.

8748745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749754.

The product of its digits is 250880, while the sum is 43.

The square root of 8748745 is about 2957.8277502248. The cubic root of 8748745 is about 206.0544126850.

The spelling of 8748745 in words is "eight million, seven hundred forty-eight thousand, seven hundred forty-five".