73613597 has 2 divisors, whose sum is σ = 73613598. Its totient is φ = 73613596.

The previous prime is 73613569. The next prime is 73613611. The reversal of 73613597 is 79531637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49857721 + 23755876 = 7061^2 + 4874^2 .

It is an emirp because it is prime and its reverse (79531637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73613597 - 2⁸ = 73613341 is a prime.

It is a Chen prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73613537) 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, 36806798 + 36806799.

It is an arithmetic number, because the mean of its divisors is an integer number (36806799).

Almost surely, 2^73613597 is an apocalyptic number.

It is an amenable number.

73613597 is a deficient number, since it is larger than the sum of its proper divisors (1).

73613597 is an equidigital number, since it uses as much as digits as its factorization.

73613597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 41.

The square root of 73613597 is about 8579.8366534568. The cubic root of 73613597 is about 419.1016266268.

The spelling of 73613597 in words is "seventy-three million, six hundred thirteen thousand, five hundred ninety-seven".