73705001 has 2 divisors, whose sum is σ = 73705002. Its totient is φ = 73705000.

The previous prime is 73704973. The next prime is 73705007. The reversal of 73705001 is 10050737.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58920976 + 14784025 = 7676^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 73705001 - 2⁶ = 73704937 is a prime.

It is not a weakly prime, because it can be changed into another prime (73705007) 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, 36852500 + 36852501.

It is an arithmetic number, because the mean of its divisors is an integer number (36852501).

Almost surely, 2^73705001 is an apocalyptic number.

It is an amenable number.

73705001 is a deficient number, since it is larger than the sum of its proper divisors (1).

73705001 is an equidigital number, since it uses as much as digits as its factorization.

73705001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 73705001 is about 8585.1616758218. The cubic root of 73705001 is about 419.2750172431.

Adding to 73705001 its reverse (10050737), we get a palindrome (83755738).

The spelling of 73705001 in words is "seventy-three million, seven hundred five thousand, one".