8039742 has 48 divisors (see below), whose sum is σ = 17917200. Its totient is φ = 2396416.

The previous prime is 8039741. The next prime is 8039749. The reversal of 8039742 is 2479308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8039741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53884 + ... + 54032.

It is an arithmetic number, because the mean of its divisors is an integer number (373275).

Almost surely, 2^8039742 is an apocalyptic number.

8039742 is an abundant number, since it is smaller than the sum of its proper divisors (9877458).

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

8039742 is a wasteful number, since it uses less digits than its factorization.

8039742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 8039742 is about 2835.4438805944. The cubic root of 8039742 is about 200.3306364299.

The spelling of 8039742 in words is "eight million, thirty-nine thousand, seven hundred forty-two".