673420000 has 120 divisors (see below), whose sum is σ = 1807915032. Its totient is φ = 244800000.

The previous prime is 673419979. The next prime is 673420001. The reversal of 673420000 is 24376.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673420001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 218470 + ... + 221530.

Almost surely, 2^673420000 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 673420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903957516).

673420000 is an abundant number, since it is smaller than the sum of its proper divisors (1134495032).

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

673420000 is a wasteful number, since it uses less digits than its factorization.

673420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 673420000 is about 25950.3371847073. The cubic root of 673420000 is about 876.5203499940.

Adding to 673420000 its reverse (24376), we get a palindrome (673444376).

The spelling of 673420000 in words is "six hundred seventy-three million, four hundred twenty thousand".