1973973 has 8 divisors (see below), whose sum is σ = 2665600. Its totient is φ = 1299168.

The previous prime is 1973971. The next prime is 1973977. The reversal of 1973973 is 3793791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1973973 - 2¹ = 1973971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928 + ... + 4401.

It is an arithmetic number, because the mean of its divisors is an integer number (333200).

2^1973973 is an apocalyptic number.

It is an amenable number.

1973973 is a deficient number, since it is larger than the sum of its proper divisors (691627).

1973973 is an equidigital number, since it uses as much as digits as its factorization.

1973973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411.

The product of its digits is 35721, while the sum is 39.

The square root of 1973973 is about 1404.9814945401. The cubic root of 1973973 is about 125.4431841786.

The spelling of 1973973 in words is "one million, nine hundred seventy-three thousand, nine hundred seventy-three".