73400740793 has 2 divisors, whose sum is σ = 73400740794. Its totient is φ = 73400740792.

The previous prime is 73400740733. The next prime is 73400740837. The reversal of 73400740793 is 39704700437.

It is an a-pointer prime, because the next prime (73400740837) can be obtained adding 73400740793 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65427500944 + 7973239849 = 255788^2 + 89293^2 .

It is an emirp because it is prime and its reverse (39704700437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73400740793 - 2¹⁴ = 73400724409 is a prime.

It is a super-2 number, since 2×73400740793² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (73400740703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36700370396 + 36700370397.

It is an arithmetic number, because the mean of its divisors is an integer number (36700370397).

Almost surely, 2^73400740793 is an apocalyptic number.

It is an amenable number.

73400740793 is a deficient number, since it is larger than the sum of its proper divisors (1).

73400740793 is an equidigital number, since it uses as much as digits as its factorization.

73400740793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 73400740793 in words is "seventy-three billion, four hundred million, seven hundred forty thousand, seven hundred ninety-three".