673576344 has 192 divisors, whose sum is σ = 2271974400. Its totient is φ = 184016448.

The previous prime is 673576333. The next prime is 673576399. The reversal of 673576344 is 443675376.

673576344 is a `hidden beast` number, since 6 + 7 + 3 + 5 + 7 + 634 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 673576344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242049 + ... + 244815.

It is an arithmetic number, because the mean of its divisors is an integer number (11833200).

Almost surely, 2^673576344 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 673576344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135987200).

673576344 is an abundant number, since it is smaller than the sum of its proper divisors (1598398056).

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

673576344 is a wasteful number, since it uses less digits than its factorization.

673576344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819 (or 2802 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 45.

The square root of 673576344 is about 25953.3493792227. The cubic root of 673576344 is about 876.5881769538.

The spelling of 673576344 in words is "six hundred seventy-three million, five hundred seventy-six thousand, three hundred forty-four".