7664969 has 8 divisors (see below), whose sum is σ = 8292480. Its totient is φ = 7042896.

The previous prime is 7664963. The next prime is 7664971. The reversal of 7664969 is 9694667.

7664969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7664969 - 2⁴ = 7664953 is a prime.

It is a super-2 number, since 2×7664969² = 117503499541922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7664963) 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 7 ways as a sum of consecutive naturals, for example, 1874 + ... + 4340.

It is an arithmetic number, because the mean of its divisors is an integer number (1036560).

Almost surely, 2^7664969 is an apocalyptic number.

It is an amenable number.

7664969 is a deficient number, since it is larger than the sum of its proper divisors (627511).

7664969 is a wasteful number, since it uses less digits than its factorization.

7664969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719.

The product of its digits is 489888, while the sum is 47.

The square root of 7664969 is about 2768.5680414250. The cubic root of 7664969 is about 197.1681678778.

The spelling of 7664969 in words is "seven million, six hundred sixty-four thousand, nine hundred sixty-nine".