1673898240 has 144 divisors (see below), whose sum is σ = 6109826688. Its totient is φ = 382599168.

The previous prime is 1673898223. The next prime is 1673898277. The reversal of 1673898240 is 428983761.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1673898240.

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, 4257 + ... + 58016.

It is an arithmetic number, because the mean of its divisors is an integer number (42429352).

Almost surely, 2^1673898240 is an apocalyptic number.

1673898240 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 1673898240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3054913344).

1673898240 is an abundant number, since it is smaller than the sum of its proper divisors (4435928448).

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

1673898240 is an equidigital number, since it uses as much as digits as its factorization.

1673898240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62304 (or 62290 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 1673898240 is about 40913.3015045230. The cubic root of 1673898240 is about 1187.3434229751.

The spelling of 1673898240 in words is "one billion, six hundred seventy-three million, eight hundred ninety-eight thousand, two hundred forty".