72658757543 has 2 divisors, whose sum is σ = 72658757544. Its totient is φ = 72658757542.

The previous prime is 72658757459. The next prime is 72658757569. The reversal of 72658757543 is 34575785627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72658757543 - 2⁸ = 72658757287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72658757243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36329378771 + 36329378772.

It is an arithmetic number, because the mean of its divisors is an integer number (36329378772).

Almost surely, 2^72658757543 is an apocalyptic number.

72658757543 is a deficient number, since it is larger than the sum of its proper divisors (1).

72658757543 is an equidigital number, since it uses as much as digits as its factorization.

72658757543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392000, while the sum is 59.

The spelling of 72658757543 in words is "seventy-two billion, six hundred fifty-eight million, seven hundred fifty-seven thousand, five hundred forty-three".