8066742 has 8 divisors (see below), whose sum is σ = 16133496. Its totient is φ = 2688912.

The previous prime is 8066717. The next prime is 8066749. The reversal of 8066742 is 2476608.

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

8066742 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 an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8066749) 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, 672223 + ... + 672234.

It is an arithmetic number, because the mean of its divisors is an integer number (2016687).

Almost surely, 2^8066742 is an apocalyptic number.

8066742 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.

8066742 is a wasteful number, since it uses less digits than its factorization.

8066742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344462.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 8066742 is about 2840.2010492217. The cubic root of 8066742 is about 200.5546437629.

The spelling of 8066742 in words is "eight million, sixty-six thousand, seven hundred forty-two".