7982747 has 4 divisors (see below), whose sum is σ = 8043816. Its totient is φ = 7921680.

The previous prime is 7982729. The next prime is 7982749. The reversal of 7982747 is 7472897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7472897 = 1321 ⋅5657.

It is a cyclic number.

It is not a de Polignac number, because 7982747 - 2⁶ = 7982683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7982698 and 7982707.

It is not an unprimeable number, because it can be changed into a prime (7982749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30338 + ... + 30599.

It is an arithmetic number, because the mean of its divisors is an integer number (2010954).

Almost surely, 2^7982747 is an apocalyptic number.

7982747 is a deficient number, since it is larger than the sum of its proper divisors (61069).

7982747 is a wasteful number, since it uses less digits than its factorization.

7982747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61068.

The product of its digits is 197568, while the sum is 44.

The square root of 7982747 is about 2825.3755502588. The cubic root of 7982747 is about 199.8561215197.

The spelling of 7982747 in words is "seven million, nine hundred eighty-two thousand, seven hundred forty-seven".