672891727548 has 24 divisors (see below), whose sum is σ = 1570379282640. Its totient is φ = 224254587520.

The previous prime is 672891727517. The next prime is 672891727553. The reversal of 672891727548 is 845727198276.

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, 5266113 + ... + 5392376.

It is an arithmetic number, because the mean of its divisors is an integer number (65432470110).

Almost surely, 2^672891727548 is an apocalyptic number.

It is an amenable number.

672891727548 is an abundant number, since it is smaller than the sum of its proper divisors (897487555092).

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

672891727548 is a wasteful number, since it uses less digits than its factorization.

672891727548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663757 (or 10663755 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 66.

The spelling of 672891727548 in words is "six hundred seventy-two billion, eight hundred ninety-one million, seven hundred twenty-seven thousand, five hundred forty-eight".