673056 has 96 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 207360.

The previous prime is 673039. The next prime is 673063. The reversal of 673056 is 650376.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 16396 + ... + 16436.

It is an arithmetic number, because the mean of its divisors is an integer number (22050).

2⁶⁷³⁰⁵⁶ 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 673056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058400).

673056 is an abundant number, since it is smaller than the sum of its proper divisors (1443744).

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

673056 is a wasteful number, since it uses less digits than its factorization.

673056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 673056 is about 820.3999024866. The cubic root of 673056 is about 87.6362394627.

It can be divided in two parts, 6730 and 56, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 673056 in words is "six hundred seventy-three thousand, fifty-six".