1972073 has 4 divisors (see below), whose sum is σ = 2014080. Its totient is φ = 1930068.

The previous prime is 1972049. The next prime is 1972079. The reversal of 1972073 is 3702791.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1972073 - 2¹⁰ = 1971049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1972079) 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, 20933 + ... + 21026.

It is an arithmetic number, because the mean of its divisors is an integer number (503520).

2^1972073 is an apocalyptic number.

It is an amenable number.

1972073 is a deficient number, since it is larger than the sum of its proper divisors (42007).

1972073 is an equidigital number, since it uses as much as digits as its factorization.

1972073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42006.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 1972073 is about 1404.3051662655. The cubic root of 1972073 is about 125.4029238236.

The spelling of 1972073 in words is "one million, nine hundred seventy-two thousand, seventy-three".