7521382 has 16 divisors (see below), whose sum is σ = 12733200. Its totient is φ = 3300640.

The previous prime is 7521373. The next prime is 7521383. The reversal of 7521382 is 2831257.

It is a pancake number, because a pancake can be divided into 7521382 parts by 3878 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 7521382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7521383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5257 + ... + 6532.

It is an arithmetic number, because the mean of its divisors is an integer number (795825).

Almost surely, 2^7521382 is an apocalyptic number.

7521382 is a deficient number, since it is larger than the sum of its proper divisors (5211818).

7521382 is a wasteful number, since it uses less digits than its factorization.

7521382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11831.

The product of its digits is 3360, while the sum is 28.

The square root of 7521382 is about 2742.5138103572. The cubic root of 7521382 is about 195.9292226747.

The spelling of 7521382 in words is "seven million, five hundred twenty-one thousand, three hundred eighty-two".