1673118720 has 1056 divisors, whose sum is σ = 7840828800. Its totient is φ = 334430208.

The previous prime is 1673118719. The next prime is 1673118749. The reversal of 1673118720 is 278113761.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 88058871 + ... + 88058889.

Almost surely, 2^1673118720 is an apocalyptic number.

1673118720 is a gapful number since it is divisible by the number (10) 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 1673118720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3920414400).

1673118720 is an abundant number, since it is smaller than the sum of its proper divisors (6167710080).

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

1673118720 is a wasteful number, since it uses less digits than its factorization.

1673118720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1673118720 is about 40903.7739090172. The cubic root of 1673118720 is about 1187.1590824868.

The spelling of 1673118720 in words is "one billion, six hundred seventy-three million, one hundred eighteen thousand, seven hundred twenty".