7945047 has 40 divisors (see below), whose sum is σ = 13352592. Its totient is φ = 4665600.

The previous prime is 7945039. The next prime is 7945057. The reversal of 7945047 is 7405497.

It is a happy number.

It is not a de Polignac number, because 7945047 - 2³ = 7945039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7945037) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32847 + ... + 33087.

Almost surely, 2^7945047 is an apocalyptic number.

7945047 is a deficient number, since it is larger than the sum of its proper divisors (5407545).

7945047 is a wasteful number, since it uses less digits than its factorization.

7945047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 7945047 is about 2818.6959750920. The cubic root of 7945047 is about 199.5410057606.

It can be divided in two parts, 79450 and 47, that added together give a palindrome (79497).

The spelling of 7945047 in words is "seven million, nine hundred forty-five thousand, forty-seven".