42732543 has 16 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 22982016.

The previous prime is 42732527. The next prime is 42732559. The reversal of 42732543 is 34523724.

It is an interprime number because it is at equal distance from previous prime (42732527) and next prime (42732559).

It is not a de Polignac number, because 42732543 - 2⁴ = 42732527 is a prime.

It is a super-3 number, since 3×42732543³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42732543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42732563) 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, 59493 + ... + 60206.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^42732543 is an apocalyptic number.

42732543 is a deficient number, since it is larger than the sum of its proper divisors (26214657).

42732543 is a wasteful number, since it uses less digits than its factorization.

42732543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119726.

The product of its digits is 20160, while the sum is 30.

The square root of 42732543 is about 6537.0133088437. The cubic root of 42732543 is about 349.6119317868.

The spelling of 42732543 in words is "forty-two million, seven hundred thirty-two thousand, five hundred forty-three".