673441636 has 24 divisors (see below), whose sum is σ = 1349187840. Its totient is φ = 288124032.

The previous prime is 673441627. The next prime is 673441649. The reversal of 673441636 is 636144376.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3676 + ... + 36883.

It is an arithmetic number, because the mean of its divisors is an integer number (56216160).

Almost surely, 2^673441636 is an apocalyptic number.

It is an amenable number.

673441636 is an abundant number, since it is smaller than the sum of its proper divisors (675746204).

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

673441636 is a wasteful number, since it uses less digits than its factorization.

673441636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41163 (or 41161 counting only the distinct ones).

The product of its digits is 217728, while the sum is 40.

The square root of 673441636 is about 25950.7540545549. The cubic root of 673441636 is about 876.5297369992.

The spelling of 673441636 in words is "six hundred seventy-three million, four hundred forty-one thousand, six hundred thirty-six".