73828901 has 2 divisors, whose sum is σ = 73828902. Its totient is φ = 73828900.

The previous prime is 73828829. The next prime is 73828903. The reversal of 73828901 is 10982837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71656225 + 2172676 = 8465^2 + 1474^2 .

It is an emirp because it is prime and its reverse (10982837) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73828901 is a prime.

It is a Sophie Germain prime.

Together with 73828903, it forms a pair of twin primes.

It is a Chen 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 (73828903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36914450 + 36914451.

It is an arithmetic number, because the mean of its divisors is an integer number (36914451).

Almost surely, 2^73828901 is an apocalyptic number.

It is an amenable number.

73828901 is a deficient number, since it is larger than the sum of its proper divisors (1).

73828901 is an equidigital number, since it uses as much as digits as its factorization.

73828901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 73828901 is about 8592.3745844790. The cubic root of 73828901 is about 419.5098230788.

The spelling of 73828901 in words is "seventy-three million, eight hundred twenty-eight thousand, nine hundred one".