73908811 has 2 divisors, whose sum is σ = 73908812. Its totient is φ = 73908810.

The previous prime is 73908749. The next prime is 73908829. The reversal of 73908811 is 11880937.

It is a strong prime.

It is an emirp because it is prime and its reverse (11880937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73908811 - 2¹⁹ = 73384523 is a prime.

It is not a weakly prime, because it can be changed into another prime (73908851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36954405 + 36954406.

It is an arithmetic number, because the mean of its divisors is an integer number (36954406).

Almost surely, 2^73908811 is an apocalyptic number.

73908811 is a deficient number, since it is larger than the sum of its proper divisors (1).

73908811 is an equidigital number, since it uses as much as digits as its factorization.

73908811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 73908811 is about 8597.0233802171. The cubic root of 73908811 is about 419.6611230983.

The spelling of 73908811 in words is "seventy-three million, nine hundred eight thousand, eight hundred eleven".