72560543 has 16 divisors (see below), whose sum is σ = 80779680. Its totient is φ = 64627200.

The previous prime is 72560503. The next prime is 72560557. The reversal of 72560543 is 34506527.

It is a de Polignac number, because none of the positive numbers 2^k-72560543 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 (72560503) 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, 133853 + ... + 134393.

It is an arithmetic number, because the mean of its divisors is an integer number (5048730).

Almost surely, 2^72560543 is an apocalyptic number.

72560543 is a deficient number, since it is larger than the sum of its proper divisors (8219137).

72560543 is a wasteful number, since it uses less digits than its factorization.

72560543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 72560543 is about 8518.2476484310. The cubic root of 72560543 is about 417.0935827707.

The spelling of 72560543 in words is "seventy-two million, five hundred sixty thousand, five hundred forty-three".