73715406337 has 2 divisors, whose sum is σ = 73715406338. Its totient is φ = 73715406336.

The previous prime is 73715406301. The next prime is 73715406361. The reversal of 73715406337 is 73360451737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58804310016 + 14911096321 = 242496^2 + 122111^2 .

It is an emirp because it is prime and its reverse (73360451737) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73715406337 - 2⁷ = 73715406209 is a prime.

It is a super-2 number, since 2×73715406337² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73715406437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36857703168 + 36857703169.

It is an arithmetic number, because the mean of its divisors is an integer number (36857703169).

Almost surely, 2^73715406337 is an apocalyptic number.

It is an amenable number.

73715406337 is a deficient number, since it is larger than the sum of its proper divisors (1).

73715406337 is an equidigital number, since it uses as much as digits as its factorization.

73715406337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1111320, while the sum is 46.

The spelling of 73715406337 in words is "seventy-three billion, seven hundred fifteen million, four hundred six thousand, three hundred thirty-seven".