72524768741 has 2 divisors, whose sum is σ = 72524768742. Its totient is φ = 72524768740.

The previous prime is 72524768707. The next prime is 72524768749. The reversal of 72524768741 is 14786742527.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48413200900 + 24111567841 = 220030^2 + 155279^2 .

It is a cyclic number.

It is not a de Polignac number, because 72524768741 - 2¹⁰ = 72524767717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72524768749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36262384370 + 36262384371.

It is an arithmetic number, because the mean of its divisors is an integer number (36262384371).

Almost surely, 2^72524768741 is an apocalyptic number.

It is an amenable number.

72524768741 is a deficient number, since it is larger than the sum of its proper divisors (1).

72524768741 is an equidigital number, since it uses as much as digits as its factorization.

72524768741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5268480, while the sum is 53.

The spelling of 72524768741 in words is "seventy-two billion, five hundred twenty-four million, seven hundred sixty-eight thousand, seven hundred forty-one".