672867120 has 80 divisors (see below), whose sum is σ = 2094196320. Its totient is φ = 178716672.

The previous prime is 672867119. The next prime is 672867133. The reversal of 672867120 is 21768276.

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

It is a super-2 number, since 2×672867120² = 905500322354188800, which contains 22 as substring.

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, 56226 + ... + 67134.

It is an arithmetic number, because the mean of its divisors is an integer number (26177454).

Almost surely, 2^672867120 is an apocalyptic number.

672867120 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 672867120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047098160).

672867120 is an abundant number, since it is smaller than the sum of its proper divisors (1421329200).

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

672867120 is a wasteful number, since it uses less digits than its factorization.

672867120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11182 (or 11176 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 672867120 is about 25939.6823419255. The cubic root of 672867120 is about 876.2804089696.

The spelling of 672867120 in words is "six hundred seventy-two million, eight hundred sixty-seven thousand, one hundred twenty".