673954432 has 64 divisors (see below), whose sum is σ = 1418860800. Its totient is φ = 318352384.

The previous prime is 673954429. The next prime is 673954459. The reversal of 673954432 is 234459376.

It is a tau number, because it is divible by the number of its divisors (64).

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, 172533 + ... + 176395.

It is an arithmetic number, because the mean of its divisors is an integer number (22169700).

Almost surely, 2^673954432 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 673954432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709430400).

673954432 is an abundant number, since it is smaller than the sum of its proper divisors (744906368).

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

673954432 is a wasteful number, since it uses less digits than its factorization.

673954432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3941 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The square root of 673954432 is about 25960.6323497715. The cubic root of 673954432 is about 876.7521600872.

The spelling of 673954432 in words is "six hundred seventy-three million, nine hundred fifty-four thousand, four hundred thirty-two".