7665064 has 16 divisors (see below), whose sum is σ = 15678720. Its totient is φ = 3484080.

The previous prime is 7665061. The next prime is 7665071. The reversal of 7665064 is 4605667.

It is a super-2 number, since 2×7665064² = 117506412248192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7665061) 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, 43464 + ... + 43639.

It is an arithmetic number, because the mean of its divisors is an integer number (979920).

Almost surely, 2^7665064 is an apocalyptic number.

It is an amenable number.

7665064 is an abundant number, since it is smaller than the sum of its proper divisors (8013656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7665064 is a wasteful number, since it uses less digits than its factorization.

7665064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87120 (or 87116 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 7665064 is about 2768.5851982556. The cubic root of 7665064 is about 197.1689824451.

The spelling of 7665064 in words is "seven million, six hundred sixty-five thousand, sixty-four".