673432884 has 72 divisors (see below), whose sum is σ = 1816563840. Its totient is φ = 209734272.

The previous prime is 673432861. The next prime is 673432891. The reversal of 673432884 is 488234376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43189 + ... + 56675.

Almost surely, 2^673432884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673432884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908281920).

673432884 is an abundant number, since it is smaller than the sum of its proper divisors (1143130956).

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

673432884 is a wasteful number, since it uses less digits than its factorization.

673432884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13589 (or 13584 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 673432884 is about 25950.5854269225. The cubic root of 673432884 is about 876.5259398766.

The spelling of 673432884 in words is "six hundred seventy-three million, four hundred thirty-two thousand, eight hundred eighty-four".