7665449 has 8 divisors (see below), whose sum is σ = 8469120. Its totient is φ = 6879600.

The previous prime is 7665439. The next prime is 7665451. The reversal of 7665449 is 9445667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7665449 - 2²⁰ = 6616873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7665439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3542 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (1058640).

Almost surely, 2^7665449 is an apocalyptic number.

7665449 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

7665449 is a deficient number, since it is larger than the sum of its proper divisors (803671).

7665449 is a wasteful number, since it uses less digits than its factorization.

7665449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8911.

The product of its digits is 181440, while the sum is 41.

The square root of 7665449 is about 2768.6547274805. The cubic root of 7665449 is about 197.1722835172.

The spelling of 7665449 in words is "seven million, six hundred sixty-five thousand, four hundred forty-nine".