8142774 has 8 divisors (see below), whose sum is σ = 16285560. Its totient is φ = 2714256.

The previous prime is 8142769. The next prime is 8142787. The reversal of 8142774 is 4772418.

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

8142774 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678559 + ... + 678570.

It is an arithmetic number, because the mean of its divisors is an integer number (2035695).

Almost surely, 2^8142774 is an apocalyptic number.

8142774 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.

8142774 is a wasteful number, since it uses less digits than its factorization.

8142774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357134.

The product of its digits is 12544, while the sum is 33.

The square root of 8142774 is about 2853.5546253752. The cubic root of 8142774 is about 201.1827747639.

The spelling of 8142774 in words is "eight million, one hundred forty-two thousand, seven hundred seventy-four".