73017641 has 2 divisors, whose sum is σ = 73017642. Its totient is φ = 73017640.

The previous prime is 73017611. The next prime is 73017661. The reversal of 73017641 is 14671037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53348416 + 19669225 = 7304^2 + 4435^2 .

It is an emirp because it is prime and its reverse (14671037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73017641 - 2¹⁸ = 72755497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73017611) 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, 36508820 + 36508821.

It is an arithmetic number, because the mean of its divisors is an integer number (36508821).

Almost surely, 2^73017641 is an apocalyptic number.

It is an amenable number.

73017641 is a deficient number, since it is larger than the sum of its proper divisors (1).

73017641 is an equidigital number, since it uses as much as digits as its factorization.

73017641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 73017641 is about 8545.0360443944. The cubic root of 73017641 is about 417.9675825535.

Adding to 73017641 its reverse (14671037), we get a palindrome (87688678).

The spelling of 73017641 in words is "seventy-three million, seventeen thousand, six hundred forty-one".