73508352761 has 2 divisors, whose sum is σ = 73508352762. Its totient is φ = 73508352760.

The previous prime is 73508352737. The next prime is 73508352779. The reversal of 73508352761 is 16725380537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61680702736 + 11827650025 = 248356^2 + 108755^2 .

It is a cyclic number.

It is not a de Polignac number, because 73508352761 - 2³⁴ = 56328483577 is a prime.

It is not a weakly prime, because it can be changed into another prime (73508352721) 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, 36754176380 + 36754176381.

It is an arithmetic number, because the mean of its divisors is an integer number (36754176381).

Almost surely, 2^73508352761 is an apocalyptic number.

It is an amenable number.

73508352761 is a deficient number, since it is larger than the sum of its proper divisors (1).

73508352761 is an equidigital number, since it uses as much as digits as its factorization.

73508352761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 73508352761 in words is "seventy-three billion, five hundred eight million, three hundred fifty-two thousand, seven hundred sixty-one".