8112745 has 4 divisors (see below), whose sum is σ = 9735300. Its totient is φ = 6490192.

The previous prime is 8112743. The next prime is 8112749. The reversal of 8112745 is 5472118.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5253264 + 2859481 = 2292^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 8112745 - 2¹ = 8112743 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (8112743) 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, 811270 + ... + 811279.

It is an arithmetic number, because the mean of its divisors is an integer number (2433825).

Almost surely, 2^8112745 is an apocalyptic number.

It is an amenable number.

8112745 is a deficient number, since it is larger than the sum of its proper divisors (1622555).

8112745 is a wasteful number, since it uses less digits than its factorization.

8112745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622554.

The product of its digits is 2240, while the sum is 28.

The square root of 8112745 is about 2848.2880823400. The cubic root of 8112745 is about 200.9351622097.

The spelling of 8112745 in words is "eight million, one hundred twelve thousand, seven hundred forty-five".