8444745 has 12 divisors (see below), whose sum is σ = 14637636. Its totient is φ = 4503840.

The previous prime is 8444731. The next prime is 8444773. The reversal of 8444745 is 5474448.

It can be written as a sum of positive squares in 2 ways, for example, as 4769856 + 3674889 = 2184^2 + 1917^2 .

It is not a de Polignac number, because 8444745 - 2¹⁹ = 7920457 is a prime.

It is a Curzon number.

8444745 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93786 + ... + 93875.

It is an arithmetic number, because the mean of its divisors is an integer number (1219803).

Almost surely, 2^8444745 is an apocalyptic number.

It is an amenable number.

8444745 is a deficient number, since it is larger than the sum of its proper divisors (6192891).

8444745 is a wasteful number, since it uses less digits than its factorization.

8444745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187672 (or 187669 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 8444745 is about 2905.9843426970. The cubic root of 8444745 is about 203.6395740727.

The spelling of 8444745 in words is "eight million, four hundred forty-four thousand, seven hundred forty-five".