8740047 has 8 divisors (see below), whose sum is σ = 12029440. Its totient is φ = 5638680.

The previous prime is 8740037. The next prime is 8740087. The reversal of 8740047 is 7400478.

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

It is not a de Polignac number, because 8740047 - 2⁷ = 8739919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8739996 and 8740023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8740037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46897 + ... + 47082.

It is an arithmetic number, because the mean of its divisors is an integer number (1503680).

Almost surely, 2^8740047 is an apocalyptic number.

8740047 is a deficient number, since it is larger than the sum of its proper divisors (3289393).

8740047 is a wasteful number, since it uses less digits than its factorization.

8740047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94013.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 8740047 is about 2956.3570488018. The cubic root of 8740047 is about 205.9861036279.

The spelling of 8740047 in words is "eight million, seven hundred forty thousand, forty-seven".