73705901 has 2 divisors, whose sum is σ = 73705902. Its totient is φ = 73705900.

The previous prime is 73705831. The next prime is 73705903. The reversal of 73705901 is 10950737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37393225 + 36312676 = 6115^2 + 6026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73705901 is a prime.

Together with 73705903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73705903) 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, 36852950 + 36852951.

It is an arithmetic number, because the mean of its divisors is an integer number (36852951).

Almost surely, 2^73705901 is an apocalyptic number.

It is an amenable number.

73705901 is a deficient number, since it is larger than the sum of its proper divisors (1).

73705901 is an equidigital number, since it uses as much as digits as its factorization.

73705901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 73705901 is about 8585.2140916811. The cubic root of 73705901 is about 419.2767238029.

The spelling of 73705901 in words is "seventy-three million, seven hundred five thousand, nine hundred one".