73903722733 has 2 divisors, whose sum is σ = 73903722734. Its totient is φ = 73903722732.

The previous prime is 73903722721. The next prime is 73903722769. The reversal of 73903722733 is 33722730937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73830671524 + 73051209 = 271718^2 + 8547^2 .

It is a cyclic number.

It is not a de Polignac number, because 73903722733 - 2⁵ = 73903722701 is a prime.

It is a super-2 number, since 2×73903722733² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73903722773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36951861366 + 36951861367.

It is an arithmetic number, because the mean of its divisors is an integer number (36951861367).

Almost surely, 2^73903722733 is an apocalyptic number.

It is an amenable number.

73903722733 is a deficient number, since it is larger than the sum of its proper divisors (1).

73903722733 is an equidigital number, since it uses as much as digits as its factorization.

73903722733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000188, while the sum is 46.

The spelling of 73903722733 in words is "seventy-three billion, nine hundred three million, seven hundred twenty-two thousand, seven hundred thirty-three".