73718023433 has 2 divisors, whose sum is σ = 73718023434. Its totient is φ = 73718023432.

The previous prime is 73718023427. The next prime is 73718023451. The reversal of 73718023433 is 33432081737.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72569355769 + 1148667664 = 269387^2 + 33892^2 .

It is an emirp because it is prime and its reverse (33432081737) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73718023433 - 2⁴ = 73718023417 is a prime.

It is not a weakly prime, because it can be changed into another prime (73718023733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36859011716 + 36859011717.

It is an arithmetic number, because the mean of its divisors is an integer number (36859011717).

Almost surely, 2^73718023433 is an apocalyptic number.

It is an amenable number.

73718023433 is a deficient number, since it is larger than the sum of its proper divisors (1).

73718023433 is an equidigital number, since it uses as much as digits as its factorization.

73718023433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 73718023433 in words is "seventy-three billion, seven hundred eighteen million, twenty-three thousand, four hundred thirty-three".