8420673 has 8 divisors (see below), whose sum is σ = 11339136. Its totient is φ = 5558000.

The previous prime is 8420669. The next prime is 8420677. The reversal of 8420673 is 3760248.

It is an interprime number because it is at equal distance from previous prime (8420669) and next prime (8420677).

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

It is a cyclic number.

It is not a de Polignac number, because 8420673 - 2² = 8420669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8420673.

It is not an unprimeable number, because it can be changed into a prime (8420677) 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, 13593 + ... + 14198.

It is an arithmetic number, because the mean of its divisors is an integer number (1417392).

Almost surely, 2^8420673 is an apocalyptic number.

It is an amenable number.

8420673 is a deficient number, since it is larger than the sum of its proper divisors (2918463).

8420673 is a wasteful number, since it uses less digits than its factorization.

8420673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27895.

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

The square root of 8420673 is about 2901.8395889504. The cubic root of 8420673 is about 203.4458963479.

The spelling of 8420673 in words is "eight million, four hundred twenty thousand, six hundred seventy-three".