8474142 has 8 divisors (see below), whose sum is σ = 16948296. Its totient is φ = 2824712.

The previous prime is 8474107. The next prime is 8474149. The reversal of 8474142 is 2414748.

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

8474142 is an admirable number.

It is a super-2 number, since 2×8474142² = 143622165272328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8474149) 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, 706173 + ... + 706184.

It is an arithmetic number, because the mean of its divisors is an integer number (2118537).

Almost surely, 2^8474142 is an apocalyptic number.

8474142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8474142 is a wasteful number, since it uses less digits than its factorization.

8474142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412362.

The product of its digits is 7168, while the sum is 30.

The square root of 8474142 is about 2911.0379592166. The cubic root of 8474142 is about 203.8755969703.

The spelling of 8474142 in words is "eight million, four hundred seventy-four thousand, one hundred forty-two".