73820611 has 2 divisors, whose sum is σ = 73820612. Its totient is φ = 73820610.

The previous prime is 73820609. The next prime is 73820629. The reversal of 73820611 is 11602837.

It is a weak prime.

It is an emirp because it is prime and its reverse (11602837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73820611 - 2¹ = 73820609 is a prime.

Together with 73820609, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73820611.

It is not a weakly prime, because it can be changed into another prime (73820911) 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, 36910305 + 36910306.

It is an arithmetic number, because the mean of its divisors is an integer number (36910306).

Almost surely, 2^73820611 is an apocalyptic number.

73820611 is a deficient number, since it is larger than the sum of its proper divisors (1).

73820611 is an equidigital number, since it uses as much as digits as its factorization.

73820611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 73820611 is about 8591.8921664555. The cubic root of 73820611 is about 419.4941207067.

The spelling of 73820611 in words is "seventy-three million, eight hundred twenty thousand, six hundred eleven".