32072543 has 4 divisors (see below), whose sum is σ = 32114808. Its totient is φ = 32030280.

The previous prime is 32072531. The next prime is 32072549. The reversal of 32072543 is 34527023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34527023 = 29 ⋅1190587.

It is a cyclic number.

It is not a de Polignac number, because 32072543 - 2⁴ = 32072527 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 (32072549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19973 + ... + 21518.

It is an arithmetic number, because the mean of its divisors is an integer number (8028702).

Almost surely, 2^32072543 is an apocalyptic number.

32072543 is a deficient number, since it is larger than the sum of its proper divisors (42265).

32072543 is an equidigital number, since it uses as much as digits as its factorization.

32072543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42264.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 32072543 is about 5663.2625755831. The cubic root of 32072543 is about 317.7199352405.

Adding to 32072543 its reverse (34527023), we get a palindrome (66599566).

The spelling of 32072543 in words is "thirty-two million, seventy-two thousand, five hundred forty-three".