8574742 has 8 divisors (see below), whose sum is σ = 14031432. Its totient is φ = 3897600.

The previous prime is 8574737. The next prime is 8574743. The reversal of 8574742 is 2474758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8574743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194859 + ... + 194902.

It is an arithmetic number, because the mean of its divisors is an integer number (1753929).

Almost surely, 2^8574742 is an apocalyptic number.

8574742 is a deficient number, since it is larger than the sum of its proper divisors (5456690).

8574742 is a wasteful number, since it uses less digits than its factorization.

8574742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389774.

The product of its digits is 62720, while the sum is 37.

The square root of 8574742 is about 2928.2660398263. The cubic root of 8574742 is about 204.6791888745.

It can be divided in two parts, 857474 and 2, that added together give a square (857476 = 926²).

The spelling of 8574742 in words is "eight million, five hundred seventy-four thousand, seven hundred forty-two".