73633943 has 2 divisors, whose sum is σ = 73633944. Its totient is φ = 73633942.

The previous prime is 73633933. The next prime is 73633981. The reversal of 73633943 is 34933637.

It is an a-pointer prime, because the next prime (73633981) can be obtained adding 73633943 to its sum of digits (38).

It is a weak prime.

It is an emirp because it is prime and its reverse (34933637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73633943 - 2⁴ = 73633927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73633897 and 73633906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73633933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36816971 + 36816972.

It is an arithmetic number, because the mean of its divisors is an integer number (36816972).

Almost surely, 2^73633943 is an apocalyptic number.

73633943 is a deficient number, since it is larger than the sum of its proper divisors (1).

73633943 is an equidigital number, since it uses as much as digits as its factorization.

73633943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 38.

The square root of 73633943 is about 8581.0222584492. The cubic root of 73633943 is about 419.1402347851.

The spelling of 73633943 in words is "seventy-three million, six hundred thirty-three thousand, nine hundred forty-three".