7696521 has 12 divisors (see below), whose sum is σ = 12705472. Its totient is φ = 4397976.

The previous prime is 7696511. The next prime is 7696531. The reversal of 7696521 is 1256967.

It is an interprime number because it is at equal distance from previous prime (7696511) and next prime (7696531).

It is not a de Polignac number, because 7696521 - 2⁵ = 7696489 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7696511) 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 11 ways as a sum of consecutive naturals, for example, 61021 + ... + 61146.

Almost surely, 2^7696521 is an apocalyptic number.

It is an amenable number.

7696521 is a deficient number, since it is larger than the sum of its proper divisors (5008951).

7696521 is a wasteful number, since it uses less digits than its factorization.

7696521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122180 (or 122177 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 7696521 is about 2774.2604419917. The cubic root of 7696521 is about 197.4383378511.

The spelling of 7696521 in words is "seven million, six hundred ninety-six thousand, five hundred twenty-one".