1873680 has 80 divisors (see below), whose sum is σ = 5993664. Its totient is φ = 483840.

The previous prime is 1873679. The next prime is 1873681. The reversal of 1873680 is 863781.

It is an interprime number because it is at equal distance from previous prime (1873679) and next prime (1873681).

It is a tau number, because it is divible by the number of its divisors (80).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1873681) 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, 8775 + ... + 8985.

2^1873680 is an apocalyptic number.

1873680 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 1873680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2996832).

1873680 is an abundant number, since it is smaller than the sum of its proper divisors (4119984).

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

1873680 is a wasteful number, since it uses less digits than its factorization.

1873680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1873680 is about 1368.8243130512. The cubic root of 1873680 is about 123.2816600350.

The spelling of 1873680 in words is "one million, eight hundred seventy-three thousand, six hundred eighty".