1673450240 has 144 divisors (see below), whose sum is σ = 4997825280. Its totient is φ = 521564160.

The previous prime is 1673450239. The next prime is 1673450263. The reversal of 1673450240 is 420543761.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1673450197 and 1673450206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90071 + ... + 107049.

It is an arithmetic number, because the mean of its divisors is an integer number (34707120).

Almost surely, 2^1673450240 is an apocalyptic number.

1673450240 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 1673450240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2498912640).

1673450240 is an abundant number, since it is smaller than the sum of its proper divisors (3324375040).

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

1673450240 is a wasteful number, since it uses less digits than its factorization.

1673450240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17018 (or 17004 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1673450240 is about 40907.8261461056. The cubic root of 1673450240 is about 1187.2374871616.

The spelling of 1673450240 in words is "one billion, six hundred seventy-three million, four hundred fifty thousand, two hundred forty".