73315601 has 2 divisors, whose sum is σ = 73315602. Its totient is φ = 73315600.

The previous prime is 73315553. The next prime is 73315609. The reversal of 73315601 is 10651337.

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., 65044225 + 8271376 = 8065^2 + 2876^2 .

It is a cyclic number.

It is not a de Polignac number, because 73315601 - 2¹⁴ = 73299217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73315609) 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, 36657800 + 36657801.

It is an arithmetic number, because the mean of its divisors is an integer number (36657801).

Almost surely, 2^73315601 is an apocalyptic number.

It is an amenable number.

73315601 is a deficient number, since it is larger than the sum of its proper divisors (1).

73315601 is an equidigital number, since it uses as much as digits as its factorization.

73315601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 73315601 is about 8562.4529779731. The cubic root of 73315601 is about 418.5353385264.

Adding to 73315601 its reverse (10651337), we get a palindrome (83966938).

The spelling of 73315601 in words is "seventy-three million, three hundred fifteen thousand, six hundred one".