73816811 has 2 divisors, whose sum is σ = 73816812. Its totient is φ = 73816810.

The previous prime is 73816807. The next prime is 73816819. The reversal of 73816811 is 11861837.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73816811 - 2² = 73816807 is a prime.

It is not a weakly prime, because it can be changed into another prime (73816819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36908405 + 36908406.

It is an arithmetic number, because the mean of its divisors is an integer number (36908406).

Almost surely, 2^73816811 is an apocalyptic number.

73816811 is a deficient number, since it is larger than the sum of its proper divisors (1).

73816811 is an equidigital number, since it uses as much as digits as its factorization.

73816811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 35.

The square root of 73816811 is about 8591.6710248938. The cubic root of 73816811 is about 419.4869226041.

The spelling of 73816811 in words is "seventy-three million, eight hundred sixteen thousand, eight hundred eleven".