672420213456064 has 56 divisors (see below), whose sum is σ = 1352878664761008. Its totient is φ = 331539213496320.

The previous prime is 672420213456011. The next prime is 672420213456067. The reversal of 672420213456064 is 460654312024276.

It is not an unprimeable number, because it can be changed into a prime (672420213456067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9575319 + ... + 37901545.

It is an arithmetic number, because the mean of its divisors is an integer number (24158547585018).

Almost surely, 2^{672420213456064} is an apocalyptic number.

672420213456064 is a gapful number since it is divisible by the number (64) 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 672420213456064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676439332380504).

672420213456064 is an abundant number, since it is smaller than the sum of its proper divisors (680458451304944).

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

672420213456064 is a wasteful number, since it uses less digits than its factorization.

672420213456064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28331393 (or 28331383 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 672420213456064 in words is "six hundred seventy-two trillion, four hundred twenty billion, two hundred thirteen million, four hundred fifty-six thousand, sixty-four".