8506742 has 4 divisors (see below), whose sum is σ = 12760116. Its totient is φ = 4253370.

The previous prime is 8506717. The next prime is 8506759. The reversal of 8506742 is 2476058.

8506742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 8 + 5 + 0 + 6³ + 7⁶ + 4⁴ + 2²³ .

It is a junction number, because it is equal to n+sod(n) for n = 8506699 and 8506708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126684 + ... + 2126687.

It is an arithmetic number, because the mean of its divisors is an integer number (3190029).

Almost surely, 2^8506742 is an apocalyptic number.

8506742 is a deficient number, since it is larger than the sum of its proper divisors (4253374).

8506742 is a wasteful number, since it uses less digits than its factorization.

8506742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253373.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 8506742 is about 2916.6319616983. The cubic root of 8506742 is about 204.1366987159.

The spelling of 8506742 in words is "eight million, five hundred six thousand, seven hundred forty-two".