8306742 has 16 divisors (see below), whose sum is σ = 16650432. Its totient is φ = 2762760.

The previous prime is 8306741. The next prime is 8306773. The reversal of 8306742 is 2476038.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8306741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017 + ... + 4547.

It is an arithmetic number, because the mean of its divisors is an integer number (1040652).

Almost surely, 2^8306742 is an apocalyptic number.

8306742 is an abundant number, since it is smaller than the sum of its proper divisors (8343690).

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

8306742 is a wasteful number, since it uses less digits than its factorization.

8306742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 8306742 is about 2882.1419118426. The cubic root of 8306742 is about 202.5241915924.

The spelling of 8306742 in words is "eight million, three hundred six thousand, seven hundred forty-two".