1970373 has 4 divisors (see below), whose sum is σ = 2627168. Its totient is φ = 1313580.

The previous prime is 1970369. The next prime is 1970401. The reversal of 1970373 is 3730791.

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.

It is not a de Polignac number, because 1970373 - 2² = 1970369 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

1970373 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1970373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970333) 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, 328393 + ... + 328398.

It is an arithmetic number, because the mean of its divisors is an integer number (656792).

2^1970373 is an apocalyptic number.

It is an amenable number.

1970373 is a deficient number, since it is larger than the sum of its proper divisors (656795).

1970373 is an equidigital number, since it uses as much as digits as its factorization.

1970373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656794.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 1970373 is about 1403.6997542210. The cubic root of 1970373 is about 125.3668794755.

The spelling of 1970373 in words is "one million, nine hundred seventy thousand, three hundred seventy-three".