74922639017 has 2 divisors, whose sum is σ = 74922639018. Its totient is φ = 74922639016.

The previous prime is 74922638933. The next prime is 74922639059. The reversal of 74922639017 is 71093622947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53945172121 + 20977466896 = 232261^2 + 144836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74922639017 is a prime.

It is a super-2 number, since 2×74922639017² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74922639917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37461319508 + 37461319509.

It is an arithmetic number, because the mean of its divisors is an integer number (37461319509).

Almost surely, 2^74922639017 is an apocalyptic number.

It is an amenable number.

74922639017 is a deficient number, since it is larger than the sum of its proper divisors (1).

74922639017 is an equidigital number, since it uses as much as digits as its factorization.

74922639017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 74922639017 in words is "seventy-four billion, nine hundred twenty-two million, six hundred thirty-nine thousand, seventeen".