73530901 has 2 divisors, whose sum is σ = 73530902. Its totient is φ = 73530900.

The previous prime is 73530887. The next prime is 73530911. The reversal of 73530901 is 10903537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48790225 + 24740676 = 6985^2 + 4974^2 .

It is a cyclic number.

It is not a de Polignac number, because 73530901 - 2⁵ = 73530869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73530901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73530911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36765450 + 36765451.

It is an arithmetic number, because the mean of its divisors is an integer number (36765451).

Almost surely, 2^73530901 is an apocalyptic number.

It is an amenable number.

73530901 is a deficient number, since it is larger than the sum of its proper divisors (1).

73530901 is an equidigital number, since it uses as much as digits as its factorization.

73530901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 73530901 is about 8575.0160932794. The cubic root of 73530901 is about 418.9446311094.

The spelling of 73530901 in words is "seventy-three million, five hundred thirty thousand, nine hundred one".