42597943 has 8 divisors (see below), whose sum is σ = 44910720. Its totient is φ = 40292280.

The previous prime is 42597923. The next prime is 42597953. The reversal of 42597943 is 34979524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42597943 - 2⁵ = 42597911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42597943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42597923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14358 + ... + 17068.

It is an arithmetic number, because the mean of its divisors is an integer number (5613840).

Almost surely, 2^42597943 is an apocalyptic number.

42597943 is a deficient number, since it is larger than the sum of its proper divisors (2312777).

42597943 is a wasteful number, since it uses less digits than its factorization.

42597943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557.

The product of its digits is 272160, while the sum is 43.

The square root of 42597943 is about 6526.7099675104. The cubic root of 42597943 is about 349.2444736605.

The spelling of 42597943 in words is "forty-two million, five hundred ninety-seven thousand, nine hundred forty-three".