673554 has 48 divisors (see below), whose sum is σ = 1641600. Its totient is φ = 183456.

The previous prime is 673553. The next prime is 673567. The reversal of 673554 is 455376.

Its product of digits (12600) is a multiple of the sum of its prime divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8487 + ... + 8565.

It is an arithmetic number, because the mean of its divisors is an integer number (34200).

2⁶⁷³⁵⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820800).

673554 is an abundant number, since it is smaller than the sum of its proper divisors (968046).

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

673554 is a wasteful number, since it uses less digits than its factorization.

673554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 120 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 673554 is about 820.7033568836. The cubic root of 673554 is about 87.6578484065.

The spelling of 673554 in words is "six hundred seventy-three thousand, five hundred fifty-four".