7688479 has 4 divisors (see below), whose sum is σ = 7710984. Its totient is φ = 7665976.

The previous prime is 7688459. The next prime is 7688491. The reversal of 7688479 is 9748867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9748867 = 163 ⋅59809.

It is a cyclic number.

It is not a de Polignac number, because 7688479 - 2¹³ = 7680287 is a prime.

It is a super-2 number, since 2×7688479² = 118225418666882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7688419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10732 + ... + 11425.

It is an arithmetic number, because the mean of its divisors is an integer number (1927746).

Almost surely, 2^7688479 is an apocalyptic number.

7688479 is a deficient number, since it is larger than the sum of its proper divisors (22505).

7688479 is a wasteful number, since it uses less digits than its factorization.

7688479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22504.

The product of its digits is 677376, while the sum is 49.

The square root of 7688479 is about 2772.8106678964. The cubic root of 7688479 is about 197.3695469235.

The spelling of 7688479 in words is "seven million, six hundred eighty-eight thousand, four hundred seventy-nine".