73734647443 has 2 divisors, whose sum is σ = 73734647444. Its totient is φ = 73734647442.

The previous prime is 73734647429. The next prime is 73734647453. The reversal of 73734647443 is 34474643737.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73734647443 - 2⁵ = 73734647411 is a prime.

It is not a weakly prime, because it can be changed into another prime (73734647453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36867323721 + 36867323722.

It is an arithmetic number, because the mean of its divisors is an integer number (36867323722).

Almost surely, 2^73734647443 is an apocalyptic number.

73734647443 is a deficient number, since it is larger than the sum of its proper divisors (1).

73734647443 is an equidigital number, since it uses as much as digits as its factorization.

73734647443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14224896, while the sum is 52.

The spelling of 73734647443 in words is "seventy-three billion, seven hundred thirty-four million, six hundred forty-seven thousand, four hundred forty-three".