74112749797 has 2 divisors, whose sum is σ = 74112749798. Its totient is φ = 74112749796.

The previous prime is 74112749761. The next prime is 74112749813. The reversal of 74112749797 is 79794721147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42152606721 + 31960143076 = 205311^2 + 178774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74112749797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74112749197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37056374898 + 37056374899.

It is an arithmetic number, because the mean of its divisors is an integer number (37056374899).

Almost surely, 2^74112749797 is an apocalyptic number.

It is an amenable number.

74112749797 is a deficient number, since it is larger than the sum of its proper divisors (1).

74112749797 is an equidigital number, since it uses as much as digits as its factorization.

74112749797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6223392, while the sum is 58.

The spelling of 74112749797 in words is "seventy-four billion, one hundred twelve million, seven hundred forty-nine thousand, seven hundred ninety-seven".