74716743869 has 2 divisors, whose sum is σ = 74716743870. Its totient is φ = 74716743868.

The previous prime is 74716743763. The next prime is 74716743917. The reversal of 74716743869 is 96834761747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69825420025 + 4891323844 = 264245^2 + 69938^2 .

It is an emirp because it is prime and its reverse (96834761747) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74716743869 is a prime.

It is a super-2 number, since 2×74716743869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74716745869) 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, 37358371934 + 37358371935.

It is an arithmetic number, because the mean of its divisors is an integer number (37358371935).

Almost surely, 2^74716743869 is an apocalyptic number.

It is an amenable number.

74716743869 is a deficient number, since it is larger than the sum of its proper divisors (1).

74716743869 is an equidigital number, since it uses as much as digits as its factorization.

74716743869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42674688, while the sum is 62.

The spelling of 74716743869 in words is "seventy-four billion, seven hundred sixteen million, seven hundred forty-three thousand, eight hundred sixty-nine".