73555201 has 2 divisors, whose sum is σ = 73555202. Its totient is φ = 73555200.

The previous prime is 73555187. The next prime is 73555211. The reversal of 73555201 is 10255537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73119601 + 435600 = 8551^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 73555201 - 2¹¹ = 73553153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73555201.

It is not a weakly prime, because it can be changed into another prime (73555211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36777600 + 36777601.

It is an arithmetic number, because the mean of its divisors is an integer number (36777601).

Almost surely, 2^73555201 is an apocalyptic number.

It is an amenable number.

73555201 is a deficient number, since it is larger than the sum of its proper divisors (1).

73555201 is an equidigital number, since it uses as much as digits as its factorization.

73555201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 73555201 is about 8576.4328831980. The cubic root of 73555201 is about 418.9907760324.

The spelling of 73555201 in words is "seventy-three million, five hundred fifty-five thousand, two hundred one".