72930920743 has 2 divisors, whose sum is σ = 72930920744. Its totient is φ = 72930920742.

The previous prime is 72930920717. The next prime is 72930920749. The reversal of 72930920743 is 34702903927.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34702903927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72930920743 - 2¹⁷ = 72930789671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72930920693 and 72930920702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72930920749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36465460371 + 36465460372.

It is an arithmetic number, because the mean of its divisors is an integer number (36465460372).

Almost surely, 2^72930920743 is an apocalyptic number.

72930920743 is a deficient number, since it is larger than the sum of its proper divisors (1).

72930920743 is an equidigital number, since it uses as much as digits as its factorization.

72930920743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 46.

The spelling of 72930920743 in words is "seventy-two billion, nine hundred thirty million, nine hundred twenty thousand, seven hundred forty-three".