673245108 has 72 divisors (see below), whose sum is σ = 1802516352. Its totient is φ = 219625344.

The previous prime is 673245049. The next prime is 673245113. The reversal of 673245108 is 801542376.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 38316 + ... + 53052.

Almost surely, 2^673245108 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 673245108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901258176).

673245108 is an abundant number, since it is smaller than the sum of its proper divisors (1129271244).

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

673245108 is a wasteful number, since it uses less digits than its factorization.

673245108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14803 (or 14789 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 673245108 is about 25946.9672216234. The cubic root of 673245108 is about 876.4444638854. Note that the first 4 decimals are identical.

The spelling of 673245108 in words is "six hundred seventy-three million, two hundred forty-five thousand, one hundred eight".