73333861 has 2 divisors, whose sum is σ = 73333862. Its totient is φ = 73333860.

The previous prime is 73333853. The next prime is 73333907. The reversal of 73333861 is 16833337.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73102500 + 231361 = 8550^2 + 481^2 .

It is an emirp because it is prime and its reverse (16833337) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73333861 - 2³ = 73333853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73333661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36666930 + 36666931.

It is an arithmetic number, because the mean of its divisors is an integer number (36666931).

Almost surely, 2^73333861 is an apocalyptic number.

It is an amenable number.

73333861 is a deficient number, since it is larger than the sum of its proper divisors (1).

73333861 is an equidigital number, since it uses as much as digits as its factorization.

73333861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The square root of 73333861 is about 8563.5191948170. The cubic root of 73333861 is about 418.5700824771.

The spelling of 73333861 in words is "seventy-three million, three hundred thirty-three thousand, eight hundred sixty-one".