673972258128 has 80 divisors (see below), whose sum is σ = 1973710966080. Its totient is φ = 196461545472.

The previous prime is 673972258117. The next prime is 673972258129. The reversal of 673972258128 is 821852279376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673972258129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28411401 + ... + 28435112.

It is an arithmetic number, because the mean of its divisors is an integer number (24671387076).

Almost surely, 2^673972258128 is an apocalyptic number.

It is an amenable number.

673972258128 is an abundant number, since it is smaller than the sum of its proper divisors (1299738707952).

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

673972258128 is a wasteful number, since it uses less digits than its factorization.

673972258128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56846556 (or 56846550 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The spelling of 673972258128 in words is "six hundred seventy-three billion, nine hundred seventy-two million, two hundred fifty-eight thousand, one hundred twenty-eight".