73523897 has 2 divisors, whose sum is σ = 73523898. Its totient is φ = 73523896.

The previous prime is 73523869. The next prime is 73523917. The reversal of 73523897 is 79832537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70492816 + 3031081 = 8396^2 + 1741^2 .

It is an emirp because it is prime and its reverse (79832537) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73523897 - 2¹² = 73519801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73523797) 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, 36761948 + 36761949.

It is an arithmetic number, because the mean of its divisors is an integer number (36761949).

Almost surely, 2^73523897 is an apocalyptic number.

It is an amenable number.

73523897 is a deficient number, since it is larger than the sum of its proper divisors (1).

73523897 is an equidigital number, since it uses as much as digits as its factorization.

73523897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The square root of 73523897 is about 8574.6076878187. The cubic root of 73523897 is about 418.9313288499.

The spelling of 73523897 in words is "seventy-three million, five hundred twenty-three thousand, eight hundred ninety-seven".