673549872 has 40 divisors (see below), whose sum is σ = 1743608640. Its totient is φ = 224051520.

The previous prime is 673549859. The next prime is 673549873. The reversal of 673549872 is 278945376.

It is not an unprimeable number, because it can be changed into a prime (673549873) 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 7 ways as a sum of consecutive naturals, for example, 9279 + ... + 37857.

It is an arithmetic number, because the mean of its divisors is an integer number (43590216).

Almost surely, 2^673549872 is an apocalyptic number.

It is an amenable number.

673549872 is an abundant number, since it is smaller than the sum of its proper divisors (1070058768).

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

673549872 is a wasteful number, since it uses less digits than its factorization.

673549872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29081 (or 29075 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The square root of 673549872 is about 25952.8393822333. The cubic root of 673549872 is about 876.5766933032.

The spelling of 673549872 in words is "six hundred seventy-three million, five hundred forty-nine thousand, eight hundred seventy-two".