673064448 has 160 divisors (see below), whose sum is σ = 2085937920. Its totient is φ = 188866560.

The previous prime is 673064429. The next prime is 673064461. The reversal of 673064448 is 844460376.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633838 + ... + 634898.

It is an arithmetic number, because the mean of its divisors is an integer number (13037112).

Almost surely, 2^673064448 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 673064448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042968960).

673064448 is an abundant number, since it is smaller than the sum of its proper divisors (1412873472).

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

673064448 is a wasteful number, since it uses less digits than its factorization.

673064448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 673064448 is about 25943.4856563261. The cubic root of 673064448 is about 876.3660612254.

The spelling of 673064448 in words is "six hundred seventy-three million, sixty-four thousand, four hundred forty-eight".