7609666 has 8 divisors (see below), whose sum is σ = 11571084. Its totient is φ = 3752640.

The previous prime is 7609661. The next prime is 7609669. The reversal of 7609666 is 6669067.

It can be written as a sum of positive squares in 2 ways, for example, as 7425625 + 184041 = 2725^2 + 429^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7609661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25915 + ... + 26206.

Almost surely, 2^7609666 is an apocalyptic number.

7609666 is a deficient number, since it is larger than the sum of its proper divisors (3961418).

7609666 is a wasteful number, since it uses less digits than its factorization.

7609666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52196.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 7609666 is about 2758.5623067098. The cubic root of 7609666 is about 196.6928312726.

The spelling of 7609666 in words is "seven million, six hundred nine thousand, six hundred sixty-six".