73720411 has 2 divisors, whose sum is σ = 73720412. Its totient is φ = 73720410.

The previous prime is 73720397. The next prime is 73720417. The reversal of 73720411 is 11402737.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11402737) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73720411 - 2²¹ = 71623259 is a prime.

It is not a weakly prime, because it can be changed into another prime (73720417) 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, 36860205 + 36860206.

It is an arithmetic number, because the mean of its divisors is an integer number (36860206).

Almost surely, 2^73720411 is an apocalyptic number.

73720411 is a deficient number, since it is larger than the sum of its proper divisors (1).

73720411 is an equidigital number, since it uses as much as digits as its factorization.

73720411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 73720411 is about 8586.0591076465. The cubic root of 73720411 is about 419.3042354223.

The spelling of 73720411 in words is "seventy-three million, seven hundred twenty thousand, four hundred eleven".