73745054737 has 2 divisors, whose sum is σ = 73745054738. Its totient is φ = 73745054736.

The previous prime is 73745054729. The next prime is 73745054741.

73745054737 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61762687441 + 11982367296 = 248521^2 + 109464^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 73745054737 - 2³ = 73745054729 is a prime.

It is a super-2 number, since 2×73745054737² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73745054707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36872527368 + 36872527369.

It is an arithmetic number, because the mean of its divisors is an integer number (36872527369).

Almost surely, 2^73745054737 is an apocalyptic number.

It is an amenable number.

73745054737 is a deficient number, since it is larger than the sum of its proper divisors (1).

73745054737 is an equidigital number, since it uses as much as digits as its factorization.

73745054737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8643600, while the sum is 52.

The spelling of 73745054737 in words is "seventy-three billion, seven hundred forty-five million, fifty-four thousand, seven hundred thirty-seven".