373680666 has 24 divisors (see below), whose sum is σ = 817992084. Its totient is φ = 123275520.

The previous prime is 373680661. The next prime is 373680677. The reversal of 373680666 is 666086373.

373680666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 356416641 + 17264025 = 18879^2 + 4155^2 .

It is not an unprimeable number, because it can be changed into a prime (373680661) 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, 105265 + ... + 108756.

Almost surely, 2^373680666 is an apocalyptic number.

373680666 is an abundant number, since it is smaller than the sum of its proper divisors (444311418).

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

373680666 is a wasteful number, since it uses less digits than its factorization.

373680666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214126 (or 214123 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 373680666 is about 19330.8216586880. The cubic root of 373680666 is about 720.2780985897.

The spelling of 373680666 in words is "three hundred seventy-three million, six hundred eighty thousand, six hundred sixty-six".