8442744 has 32 divisors (see below), whose sum is σ = 22349520. Its totient is φ = 2648576.

The previous prime is 8442713. The next prime is 8442767. The reversal of 8442744 is 4472448.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9939 + ... + 10754.

Almost surely, 2^8442744 is an apocalyptic number.

It is an amenable number.

8442744 is an abundant number, since it is smaller than the sum of its proper divisors (13906776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8442744 is a wasteful number, since it uses less digits than its factorization.

8442744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20719 (or 20715 counting only the distinct ones).

The product of its digits is 28672, while the sum is 33.

The square root of 8442744 is about 2905.6400327639. The cubic root of 8442744 is about 203.6234885277.

The spelling of 8442744 in words is "eight million, four hundred forty-two thousand, seven hundred forty-four".