1940073 has 16 divisors (see below), whose sum is σ = 2789376. Its totient is φ = 1195920.

The previous prime is 1940069. The next prime is 1940083. The reversal of 1940073 is 3700491.

It is not a de Polignac number, because 1940073 - 2² = 1940069 is a prime.

It is a Curzon number.

1940073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1940053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1686 + ... + 2592.

It is an arithmetic number, because the mean of its divisors is an integer number (174336).

2^1940073 is an apocalyptic number.

It is an amenable number.

1940073 is a deficient number, since it is larger than the sum of its proper divisors (849303).

1940073 is a wasteful number, since it uses less digits than its factorization.

1940073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1940073 is about 1392.8650329447. The cubic root of 1940073 is about 124.7209347778.

The spelling of 1940073 in words is "one million, nine hundred forty thousand, seventy-three".