8670742 has 8 divisors (see below), whose sum is σ = 13042656. Its totient is φ = 4323192.

The previous prime is 8670713. The next prime is 8670743. The reversal of 8670742 is 2470768.

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

It is a junction number, because it is equal to n+sod(n) for n = 8670698 and 8670707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8670743) 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, 5173 + ... + 6640.

It is an arithmetic number, because the mean of its divisors is an integer number (1630332).

Almost surely, 2^8670742 is an apocalyptic number.

8670742 is a deficient number, since it is larger than the sum of its proper divisors (4371914).

8670742 is a wasteful number, since it uses less digits than its factorization.

8670742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12182.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 8670742 is about 2944.6123683772. The cubic root of 8670742 is about 205.4401962678.

The spelling of 8670742 in words is "eight million, six hundred seventy thousand, seven hundred forty-two".