7523982 has 16 divisors (see below), whose sum is σ = 16720080. Its totient is φ = 2507976.

The previous prime is 7523977. The next prime is 7523993. The reversal of 7523982 is 2893257.

It is a happy number.

It is a super-2 number, since 2×7523982² = 113220610272648, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 69613 + ... + 69720.

It is an arithmetic number, because the mean of its divisors is an integer number (1045005).

Almost surely, 2^7523982 is an apocalyptic number.

7523982 is an abundant number, since it is smaller than the sum of its proper divisors (9196098).

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

7523982 is a wasteful number, since it uses less digits than its factorization.

7523982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139344 (or 139338 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 7523982 is about 2742.9877870672. The cubic root of 7523982 is about 195.9517964203.

The spelling of 7523982 in words is "seven million, five hundred twenty-three thousand, nine hundred eighty-two".