7947045 has 48 divisors (see below), whose sum is σ = 14857920. Its totient is φ = 4027968.

The previous prime is 7947013. The next prime is 7947053. The reversal of 7947045 is 5407497.

It is a happy number.

It is not a de Polignac number, because 7947045 - 2⁵ = 7947013 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184794 + ... + 184836.

It is an arithmetic number, because the mean of its divisors is an integer number (309540).

Almost surely, 2^7947045 is an apocalyptic number.

It is an amenable number.

7947045 is a deficient number, since it is larger than the sum of its proper divisors (6910875).

7947045 is a wasteful number, since it uses less digits than its factorization.

7947045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 88 counting only the distinct ones).

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

The square root of 7947045 is about 2819.0503720225. The cubic root of 7947045 is about 199.5577310451.

The spelling of 7947045 in words is "seven million, nine hundred forty-seven thousand, forty-five".