673057056 has 96 divisors (see below), whose sum is σ = 2088858240. Its totient is φ = 185665536.

The previous prime is 673057003. The next prime is 673057057. The reversal of 673057056 is 650750376.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (673057057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2220 + ... + 36756.

It is an arithmetic number, because the mean of its divisors is an integer number (21758940).

Almost surely, 2^673057056 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 673057056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1044429120).

673057056 is an abundant number, since it is smaller than the sum of its proper divisors (1415801184).

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

673057056 is a wasteful number, since it uses less digits than its factorization.

673057056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34586 (or 34578 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 39.

The square root of 673057056 is about 25943.3431924261. The cubic root of 673057056 is about 876.3628529534.

The spelling of 673057056 in words is "six hundred seventy-three million, fifty-seven thousand, fifty-six".