73756665701 has 2 divisors, whose sum is σ = 73756665702. Its totient is φ = 73756665700.

The previous prime is 73756665691. The next prime is 73756665737. The reversal of 73756665701 is 10756665737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70484940100 + 3271725601 = 265490^2 + 57199^2 .

It is a cyclic number.

It is not a de Polignac number, because 73756665701 - 2¹⁰ = 73756664677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73756665601) 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, 36878332850 + 36878332851.

It is an arithmetic number, because the mean of its divisors is an integer number (36878332851).

Almost surely, 2^73756665701 is an apocalyptic number.

It is an amenable number.

73756665701 is a deficient number, since it is larger than the sum of its proper divisors (1).

73756665701 is an equidigital number, since it uses as much as digits as its factorization.

73756665701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5556600, while the sum is 53.

The spelling of 73756665701 in words is "seventy-three billion, seven hundred fifty-six million, six hundred sixty-five thousand, seven hundred one".