672280348128 has 48 divisors (see below), whose sum is σ = 1765074850560. Its totient is φ = 224050409856.

The previous prime is 672280348099. The next prime is 672280348139. The reversal of 672280348128 is 821843082276.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168088 + ... + 1171671.

It is an arithmetic number, because the mean of its divisors is an integer number (36772392720).

Almost surely, 2^672280348128 is an apocalyptic number.

It is an amenable number.

672280348128 is an abundant number, since it is smaller than the sum of its proper divisors (1092794502432).

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

672280348128 is a wasteful number, since it uses less digits than its factorization.

672280348128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344999 (or 1344991 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 672280348128 in words is "six hundred seventy-two billion, two hundred eighty million, three hundred forty-eight thousand, one hundred twenty-eight".