8442574 has 32 divisors (see below), whose sum is σ = 16139520. Its totient is φ = 3224448.

The previous prime is 8442559. The next prime is 8442607. The reversal of 8442574 is 4752448.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3589 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (504360).

Almost surely, 2^8442574 is an apocalyptic number.

8442574 is a deficient number, since it is larger than the sum of its proper divisors (7696946).

8442574 is a wasteful number, since it uses less digits than its factorization.

8442574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912.

The product of its digits is 35840, while the sum is 34.

The square root of 8442574 is about 2905.6107791650. The cubic root of 8442574 is about 203.6221218226.

The spelling of 8442574 in words is "eight million, four hundred forty-two thousand, five hundred seventy-four".