73885740464749 has 2 divisors, whose sum is σ = 73885740464750. Its totient is φ = 73885740464748.

The previous prime is 73885740464677. The next prime is 73885740464759. The reversal of 73885740464749 is 94746404758837.

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., 50111632207849 + 23774108256900 = 7078957^2 + 4875870^2 .

It is a cyclic number.

It is not a de Polignac number, because 73885740464749 - 2¹³ = 73885740456557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73885740464759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36942870232374 + 36942870232375.

It is an arithmetic number, because the mean of its divisors is an integer number (36942870232375).

Almost surely, 2^{73885740464749} is an apocalyptic number.

It is an amenable number.

73885740464749 is a deficient number, since it is larger than the sum of its proper divisors (1).

73885740464749 is an equidigital number, since it uses as much as digits as its factorization.

73885740464749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4551966720, while the sum is 76.

The spelling of 73885740464749 in words is "seventy-three trillion, eight hundred eighty-five billion, seven hundred forty million, four hundred sixty-four thousand, seven hundred forty-nine".