673624920 has 128 divisors (see below), whose sum is σ = 2129379840. Its totient is φ = 170142720.

The previous prime is 673624909. The next prime is 673624921. The reversal of 673624920 is 29426376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673624921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294180 + ... + 296460.

It is an arithmetic number, because the mean of its divisors is an integer number (16635780).

Almost surely, 2^673624920 is an apocalyptic number.

673624920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673624920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064689920).

673624920 is an abundant number, since it is smaller than the sum of its proper divisors (1455754920).

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

673624920 is a wasteful number, since it uses less digits than its factorization.

673624920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 673624920 is about 25954.2851953199. The cubic root of 673624920 is about 876.6092486181.

The spelling of 673624920 in words is "six hundred seventy-three million, six hundred twenty-four thousand, nine hundred twenty".