76025742521 has 2 divisors, whose sum is σ = 76025742522. Its totient is φ = 76025742520.

The previous prime is 76025742503. The next prime is 76025742539. The reversal of 76025742521 is 12524752067.

It is a balanced prime because it is at equal distance from previous prime (76025742503) and next prime (76025742539).

It can be written as a sum of positive squares in only one way, i.e., 47036934400 + 28988808121 = 216880^2 + 170261^2 .

It is an emirp because it is prime and its reverse (12524752067) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76025742521 is a prime.

It is not a weakly prime, because it can be changed into another prime (76025742571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38012871260 + 38012871261.

It is an arithmetic number, because the mean of its divisors is an integer number (38012871261).

Almost surely, 2^76025742521 is an apocalyptic number.

It is an amenable number.

76025742521 is a deficient number, since it is larger than the sum of its proper divisors (1).

76025742521 is an equidigital number, since it uses as much as digits as its factorization.

76025742521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 76025742521 in words is "seventy-six billion, twenty-five million, seven hundred forty-two thousand, five hundred twenty-one".