673755888 has 80 divisors (see below), whose sum is σ = 1892128896. Its totient is φ = 205351680.

The previous prime is 673755881. The next prime is 673755893. The reversal of 673755888 is 888557376.

It is a super-2 number, since 2×673755888² = 907893993229337088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673755881) 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, 61723 + ... + 71813.

Almost surely, 2^673755888 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 673755888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946064448).

673755888 is an abundant number, since it is smaller than the sum of its proper divisors (1218373008).

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

673755888 is a wasteful number, since it uses less digits than its factorization.

673755888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222 (or 10216 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 57.

The square root of 673755888 is about 25956.8081242667. The cubic root of 673755888 is about 876.6660558595. Note that the first 3 decimals are identical.

The spelling of 673755888 in words is "six hundred seventy-three million, seven hundred fifty-five thousand, eight hundred eighty-eight".