672873312 has 96 divisors (see below), whose sum is σ = 1846061280. Its totient is φ = 214323200.

The previous prime is 672873307. The next prime is 672873317. The reversal of 672873312 is 213378276.

It is an interprime number because it is at equal distance from previous prime (672873307) and next prime (672873317).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672873317) 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 15 ways as a sum of consecutive naturals, for example, 279988 + ... + 282380.

It is an arithmetic number, because the mean of its divisors is an integer number (19229805).

Almost surely, 2^672873312 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 672873312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923030640).

672873312 is an abundant number, since it is smaller than the sum of its proper divisors (1173187968).

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

672873312 is a wasteful number, since it uses less digits than its factorization.

672873312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536 (or 2528 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 672873312 is about 25939.8016954641. The cubic root of 672873312 is about 876.2830969256.

The spelling of 672873312 in words is "six hundred seventy-two million, eight hundred seventy-three thousand, three hundred twelve".