2681973 has 12 divisors (see below), whose sum is σ = 4427488. Its totient is φ = 1532520.

The previous prime is 2681969. The next prime is 2681989. The reversal of 2681973 is 3791862.

It is not a de Polignac number, because 2681973 - 2² = 2681969 is a prime.

It is a Duffinian number.

2681973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21223 + ... + 21348.

2^2681973 is an apocalyptic number.

It is an amenable number.

2681973 is a deficient number, since it is larger than the sum of its proper divisors (1745515).

2681973 is a wasteful number, since it uses less digits than its factorization.

2681973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42584 (or 42581 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2681973 is about 1637.6730442918. The cubic root of 2681973 is about 138.9370693169.

The spelling of 2681973 in words is "two million, six hundred eighty-one thousand, nine hundred seventy-three".