7656479 has 4 divisors (see below), whose sum is σ = 7665000. Its totient is φ = 7647960.

The previous prime is 7656469. The next prime is 7656497. The reversal of 7656479 is 9746567.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7656479 - 2²⁰ = 6607903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7656469) 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, 2729 + ... + 4770.

It is an arithmetic number, because the mean of its divisors is an integer number (1916250).

Almost surely, 2^7656479 is an apocalyptic number.

7656479 is a deficient number, since it is larger than the sum of its proper divisors (8521).

7656479 is a wasteful number, since it uses less digits than its factorization.

7656479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8520.

The product of its digits is 317520, while the sum is 44.

The square root of 7656479 is about 2767.0343329999. The cubic root of 7656479 is about 197.0953440924.

The spelling of 7656479 in words is "seven million, six hundred fifty-six thousand, four hundred seventy-nine".