74868604757 has 2 divisors, whose sum is σ = 74868604758. Its totient is φ = 74868604756.

The previous prime is 74868604747. The next prime is 74868604781. The reversal of 74868604757 is 75740686847.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49967449156 + 24901155601 = 223534^2 + 157801^2 .

It is a cyclic number.

It is not a de Polignac number, because 74868604757 - 2⁸ = 74868604501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74868604757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74868604717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37434302378 + 37434302379.

It is an arithmetic number, because the mean of its divisors is an integer number (37434302379).

Almost surely, 2^74868604757 is an apocalyptic number.

It is an amenable number.

74868604757 is a deficient number, since it is larger than the sum of its proper divisors (1).

74868604757 is an equidigital number, since it uses as much as digits as its factorization.

74868604757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63221760, while the sum is 62.

The spelling of 74868604757 in words is "seventy-four billion, eight hundred sixty-eight million, six hundred four thousand, seven hundred fifty-seven".