1973680 has 20 divisors (see below), whose sum is σ = 4588992. Its totient is φ = 789440.

The previous prime is 1973669. The next prime is 1973687. The reversal of 1973680 is 863791.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1973687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12256 + ... + 12415.

2^1973680 is an apocalyptic number.

1973680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1973680 is an abundant number, since it is smaller than the sum of its proper divisors (2615312).

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

1973680 is a wasteful number, since it uses less digits than its factorization.

1973680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24684 (or 24678 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1973680 is about 1404.8772188344. The cubic root of 1973680 is about 125.4369772934.

The spelling of 1973680 in words is "one million, nine hundred seventy-three thousand, six hundred eighty".