7666632 has 48 divisors (see below), whose sum is σ = 20898540. Its totient is φ = 2539008.

The previous prime is 7666621. The next prime is 7666639. The reversal of 7666632 is 2366667.

It can be written as a sum of positive squares in 2 ways, for example, as 7650756 + 15876 = 2766^2 + 126^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (7666639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16548 + ... + 17004.

Almost surely, 2^7666632 is an apocalyptic number.

7666632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7666632 is an abundant number, since it is smaller than the sum of its proper divisors (13231908).

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

7666632 is a wasteful number, since it uses less digits than its factorization.

7666632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 695 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 7666632 is about 2768.8683609013. The cubic root of 7666632 is about 197.1824261200.

The spelling of 7666632 in words is "seven million, six hundred sixty-six thousand, six hundred thirty-two".