43097973 has 16 divisors (see below), whose sum is σ = 60070080. Its totient is φ = 27449856.

The previous prime is 43097969. The next prime is 43098001. The reversal of 43097973 is 37979034.

It is not a de Polignac number, because 43097973 - 2² = 43097969 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43097953) 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, 5886 + ... + 10992.

It is an arithmetic number, because the mean of its divisors is an integer number (3754380).

Almost surely, 2^43097973 is an apocalyptic number.

It is an amenable number.

43097973 is a deficient number, since it is larger than the sum of its proper divisors (16972107).

43097973 is a wasteful number, since it uses less digits than its factorization.

43097973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 43097973 is about 6564.9046451567. The cubic root of 43097973 is about 350.6056805074.

The spelling of 43097973 in words is "forty-three million, ninety-seven thousand, nine hundred seventy-three".