74813736929 has 2 divisors, whose sum is σ = 74813736930. Its totient is φ = 74813736928.

The previous prime is 74813736923. The next prime is 74813736937. The reversal of 74813736929 is 92963731847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37462376704 + 37351360225 = 193552^2 + 193265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74813736929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (74813736923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37406868464 + 37406868465.

It is an arithmetic number, because the mean of its divisors is an integer number (37406868465).

Almost surely, 2^74813736929 is an apocalyptic number.

It is an amenable number.

74813736929 is a deficient number, since it is larger than the sum of its proper divisors (1).

74813736929 is an equidigital number, since it uses as much as digits as its factorization.

74813736929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 59.

The spelling of 74813736929 in words is "seventy-four billion, eight hundred thirteen million, seven hundred thirty-six thousand, nine hundred twenty-nine".