73530101 has 2 divisors, whose sum is σ = 73530102. Its totient is φ = 73530100.

The previous prime is 73530091. The next prime is 73530131. The reversal of 73530101 is 10103537.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63123025 + 10407076 = 7945^2 + 3226^2 .

It is a cyclic number.

It is not a de Polignac number, because 73530101 - 2¹⁰ = 73529077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73530131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36765050 + 36765051.

It is an arithmetic number, because the mean of its divisors is an integer number (36765051).

Almost surely, 2^73530101 is an apocalyptic number.

It is an amenable number.

73530101 is a deficient number, since it is larger than the sum of its proper divisors (1).

73530101 is an equidigital number, since it uses as much as digits as its factorization.

73530101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 73530101 is about 8574.9694460097. The cubic root of 73530101 is about 418.9431117621.

Adding to 73530101 its reverse (10103537), we get a palindrome (83633638).

The spelling of 73530101 in words is "seventy-three million, five hundred thirty thousand, one hundred one".