1975673 has 4 divisors (see below), whose sum is σ = 2257920. Its totient is φ = 1693428.

The previous prime is 1975669. The next prime is 1975691. The reversal of 1975673 is 3765791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3765791 = 401 ⋅9391.

It is a cyclic number.

It is not a de Polignac number, because 1975673 - 2² = 1975669 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1975613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141113 + ... + 141126.

It is an arithmetic number, because the mean of its divisors is an integer number (564480).

2^1975673 is an apocalyptic number.

It is an amenable number.

1975673 is a deficient number, since it is larger than the sum of its proper divisors (282247).

1975673 is an equidigital number, since it uses as much as digits as its factorization.

1975673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282246.

The product of its digits is 39690, while the sum is 38.

The square root of 1975673 is about 1405.5863545154. The cubic root of 1975673 is about 125.4791847088.

The spelling of 1975673 in words is "one million, nine hundred seventy-five thousand, six hundred seventy-three".