672067344 has 80 divisors (see below), whose sum is σ = 1934251200. Its totient is φ = 199653888.

The previous prime is 672067343. The next prime is 672067349. The reversal of 672067344 is 443760276.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (672067343) 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, 474 + ... + 36665.

It is an arithmetic number, because the mean of its divisors is an integer number (24178140).

Almost surely, 2^672067344 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 672067344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967125600).

672067344 is an abundant number, since it is smaller than the sum of its proper divisors (1262183856).

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

672067344 is a wasteful number, since it uses less digits than its factorization.

672067344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37192 (or 37186 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 39.

The square root of 672067344 is about 25924.2616866903. The cubic root of 672067344 is about 875.9330863591.

The spelling of 672067344 in words is "six hundred seventy-two million, sixty-seven thousand, three hundred forty-four".