673380 has 96 divisors (see below), whose sum is σ = 2217600. Its totient is φ = 169344.

The previous prime is 673349. The next prime is 673381. The reversal of 673380 is 83376.

It is a happy number.

673380 is nontrivially palindromic in base 11.

673380 is a nontrivial binomial coefficient, being equal to C(1161, 2).

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

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673381) by changing a digit.

673380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15639 + ... + 15681.

It is an arithmetic number, because the mean of its divisors is an integer number (23100).

2⁶⁷³³⁸⁰ is an apocalyptic number.

673380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

673380 is the 1160-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108800).

673380 is an abundant number, since it is smaller than the sum of its proper divisors (1544220).

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

673380 is a wasteful number, since it uses less digits than its factorization.

673380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 673380 is about 820.5973434030. The cubic root of 673380 is about 87.6502995046.

The spelling of 673380 in words is "six hundred seventy-three thousand, three hundred eighty".