7982742 has 16 divisors (see below), whose sum is σ = 16014960. Its totient is φ = 2652672.

The previous prime is 7982729. The next prime is 7982749. The reversal of 7982742 is 2472897.

It is a self number, because there is not a number n which added to its sum of digits gives 7982742.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 234 + ... + 4002.

It is an arithmetic number, because the mean of its divisors is an integer number (1000935).

Almost surely, 2^7982742 is an apocalyptic number.

7982742 is an abundant number, since it is smaller than the sum of its proper divisors (8032218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7982742 is a wasteful number, since it uses less digits than its factorization.

7982742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127.

The product of its digits is 56448, while the sum is 39.

The square root of 7982742 is about 2825.3746654205. The cubic root of 7982742 is about 199.8560797930.

The spelling of 7982742 in words is "seven million, nine hundred eighty-two thousand, seven hundred forty-two".