7666488 has 40 divisors (see below), whose sum is σ = 21475080. Its totient is φ = 2555280.

The previous prime is 7666487. The next prime is 7666493. The reversal of 7666488 is 8846667.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666487) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5268 + ... + 6563.

It is an arithmetic number, because the mean of its divisors is an integer number (536877).

Almost surely, 2^7666488 is an apocalyptic number.

It is an amenable number.

7666488 is an abundant number, since it is smaller than the sum of its proper divisors (13808592).

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

7666488 is a wasteful number, since it uses less digits than its factorization.

7666488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11849 (or 11836 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 7666488 is about 2768.8423573761. The cubic root of 7666488 is about 197.1811915732.

It can be divided in two parts, 76 and 66488, that added together give a square (66564 = 258²).

The spelling of 7666488 in words is "seven million, six hundred sixty-six thousand, four hundred eighty-eight".