43740063 has 12 divisors (see below), whose sum is σ = 64251720. Its totient is φ = 28665456.

The previous prime is 43740049. The next prime is 43740077. The reversal of 43740063 is 36004734.

It is an interprime number because it is at equal distance from previous prime (43740049) and next prime (43740077).

It is not a de Polignac number, because 43740063 - 2⁹ = 43739551 is a prime.

It is a super-2 number, since 2×43740063² = 3826386222487938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43740023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40656 + ... + 41717.

It is an arithmetic number, because the mean of its divisors is an integer number (5354310).

Almost surely, 2^43740063 is an apocalyptic number.

43740063 is a deficient number, since it is larger than the sum of its proper divisors (20511657).

43740063 is a wasteful number, since it uses less digits than its factorization.

43740063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82438 (or 82435 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 43740063 is about 6613.6270684096. The cubic root of 43740063 is about 352.3382568661.

Adding to 43740063 its reverse (36004734), we get a palindrome (79744797).

The spelling of 43740063 in words is "forty-three million, seven hundred forty thousand, sixty-three".