7946745 has 16 divisors (see below), whose sum is σ = 12750912. Its totient is φ = 4226240.

The previous prime is 7946737. The next prime is 7946747. The reversal of 7946745 is 5476497.

It is not a de Polignac number, because 7946745 - 2³ = 7946737 is a prime.

Its product of digits (211680) is a multiple of the sum of its prime divisors (1512).

It is a junction number, because it is equal to n+sod(n) for n = 7946697 and 7946706.

It is not an unprimeable number, because it can be changed into a prime (7946747) 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 15 ways as a sum of consecutive naturals, for example, 7975 + ... + 8915.

It is an arithmetic number, because the mean of its divisors is an integer number (796932).

Almost surely, 2^7946745 is an apocalyptic number.

It is an amenable number.

7946745 is a deficient number, since it is larger than the sum of its proper divisors (4804167).

7946745 is a wasteful number, since it uses less digits than its factorization.

7946745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512.

The product of its digits is 211680, while the sum is 42.

The square root of 7946745 is about 2818.9971621128. The cubic root of 7946745 is about 199.5552199200. Note that the first 3 decimals are identical.

The spelling of 7946745 in words is "seven million, nine hundred forty-six thousand, seven hundred forty-five".