73755413 has 2 divisors, whose sum is σ = 73755414. Its totient is φ = 73755412.

The previous prime is 73755403. The next prime is 73755419. The reversal of 73755413 is 31455737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37478884 + 36276529 = 6122^2 + 6023^2 .

It is a cyclic number.

It is not a de Polignac number, because 73755413 - 2⁶ = 73755349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73755419) 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, 36877706 + 36877707.

It is an arithmetic number, because the mean of its divisors is an integer number (36877707).

Almost surely, 2^73755413 is an apocalyptic number.

It is an amenable number.

73755413 is a deficient number, since it is larger than the sum of its proper divisors (1).

73755413 is an equidigital number, since it uses as much as digits as its factorization.

73755413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 35.

The square root of 73755413 is about 8588.0971699207. The cubic root of 73755413 is about 419.3705859508.

The spelling of 73755413 in words is "seventy-three million, seven hundred fifty-five thousand, four hundred thirteen".