74922639073 has 2 divisors, whose sum is σ = 74922639074. Its totient is φ = 74922639072.

The previous prime is 74922639059. The next prime is 74922639079. The reversal of 74922639073 is 37093622947.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42676535889 + 32246103184 = 206583^2 + 179572^2 .

It is an emirp because it is prime and its reverse (37093622947) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74922639073 is a prime.

It is a super-2 number, since 2×74922639073² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74922639073.

It is not a weakly prime, because it can be changed into another prime (74922639079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37461319536 + 37461319537.

It is an arithmetic number, because the mean of its divisors is an integer number (37461319537).

Almost surely, 2^74922639073 is an apocalyptic number.

It is an amenable number.

74922639073 is a deficient number, since it is larger than the sum of its proper divisors (1).

74922639073 is an equidigital number, since it uses as much as digits as its factorization.

74922639073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 74922639073 in words is "seventy-four billion, nine hundred twenty-two million, six hundred thirty-nine thousand, seventy-three".