73766740031 has 2 divisors, whose sum is σ = 73766740032. Its totient is φ = 73766740030.

The previous prime is 73766739947. The next prime is 73766740093. The reversal of 73766740031 is 13004766737.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73766740031 - 2³⁰ = 72692998207 is a prime.

It is a super-2 number, since 2×73766740031² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73766700031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36883370015 + 36883370016.

It is an arithmetic number, because the mean of its divisors is an integer number (36883370016).

Almost surely, 2^73766740031 is an apocalyptic number.

73766740031 is a deficient number, since it is larger than the sum of its proper divisors (1).

73766740031 is an equidigital number, since it uses as much as digits as its factorization.

73766740031 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 73766740031 in words is "seventy-three billion, seven hundred sixty-six million, seven hundred forty thousand, thirty-one".