673502000 has 80 divisors (see below), whose sum is σ = 1636502400. Its totient is φ = 268083200.

The previous prime is 673501981. The next prime is 673502021. The reversal of 673502000 is 205376.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 477296 + ... + 478704.

It is an arithmetic number, because the mean of its divisors is an integer number (20456280).

Almost surely, 2^673502000 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 673502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818251200).

673502000 is an abundant number, since it is smaller than the sum of its proper divisors (963000400).

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

673502000 is a wasteful number, since it uses less digits than its factorization.

673502000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 673502000 is about 25951.9170775494. The cubic root of 673502000 is about 876.5559254900. Note that the first 3 decimals are identical.

Adding to 673502000 its reverse (205376), we get a palindrome (673707376).

The spelling of 673502000 in words is "six hundred seventy-three million, five hundred two thousand".