43975493 has 8 divisors (see below), whose sum is σ = 45382680. Its totient is φ = 42584320.

The previous prime is 43975469. The next prime is 43975537. The reversal of 43975493 is 39457934.

It can be written as a sum of positive squares in 4 ways, for example, as 124609 + 43850884 = 353^2 + 6622^2 .

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 43975493 - 2¹⁴ = 43959109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43975403) 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, 1703 + ... + 9531.

It is an arithmetic number, because the mean of its divisors is an integer number (5672835).

Almost surely, 2^43975493 is an apocalyptic number.

It is an amenable number.

43975493 is a deficient number, since it is larger than the sum of its proper divisors (1407187).

43975493 is a wasteful number, since it uses less digits than its factorization.

43975493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007.

The product of its digits is 408240, while the sum is 44.

The square root of 43975493 is about 6631.4020387849. The cubic root of 43975493 is about 352.9692772337.

The spelling of 43975493 in words is "forty-three million, nine hundred seventy-five thousand, four hundred ninety-three".