7447982 has 8 divisors (see below), whose sum is σ = 11184096. Its totient is φ = 3719952.

The previous prime is 7447963. The next prime is 7447991. The reversal of 7447982 is 2897447.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1538 + ... + 4154.

It is an arithmetic number, because the mean of its divisors is an integer number (1398012).

Almost surely, 2^7447982 is an apocalyptic number.

7447982 is a deficient number, since it is larger than the sum of its proper divisors (3736114).

7447982 is a wasteful number, since it uses less digits than its factorization.

7447982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042.

The product of its digits is 112896, while the sum is 41.

The square root of 7447982 is about 2729.0991187570. The cubic root of 7447982 is about 195.2897904732.

The spelling of 7447982 in words is "seven million, four hundred forty-seven thousand, nine hundred eighty-two".