7682121 has 10 divisors (see below), whose sum is σ = 11475882. Its totient is φ = 5121360.

The previous prime is 7682119. The next prime is 7682149. The reversal of 7682121 is 1212867.

It can be written as a sum of positive squares in only one way, i.e., 7096896 + 585225 = 2664^2 + 765^2 .

It is not a de Polignac number, because 7682121 - 2¹ = 7682119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (7682111) 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 9 ways as a sum of consecutive naturals, for example, 47340 + ... + 47501.

Almost surely, 2^7682121 is an apocalyptic number.

It is an amenable number.

7682121 is a deficient number, since it is larger than the sum of its proper divisors (3793761).

7682121 is an equidigital number, since it uses as much as digits as its factorization.

7682121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94853 (or 94844 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 7682121 is about 2771.6639406681. The cubic root of 7682121 is about 197.3151268990.

Adding to 7682121 its reverse (1212867), we get a palindrome (8894988).

The spelling of 7682121 in words is "seven million, six hundred eighty-two thousand, one hundred twenty-one".