8730947 has 2 divisors, whose sum is σ = 8730948. Its totient is φ = 8730946.

The previous prime is 8730929. The next prime is 8730949. The reversal of 8730947 is 7490378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8730947 - 2⁸ = 8730691 is a prime.

Together with 8730949, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8730947.

It is not a weakly prime, because it can be changed into another prime (8730949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4365473 + 4365474.

It is an arithmetic number, because the mean of its divisors is an integer number (4365474).

Almost surely, 2^8730947 is an apocalyptic number.

8730947 is a deficient number, since it is larger than the sum of its proper divisors (1).

8730947 is an equidigital number, since it uses as much as digits as its factorization.

8730947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 8730947 is about 2954.8175916628. The cubic root of 8730947 is about 205.9145889676.

The spelling of 8730947 in words is "eight million, seven hundred thirty thousand, nine hundred forty-seven".