73455601 has 2 divisors, whose sum is σ = 73455602. Its totient is φ = 73455600.

The previous prime is 73455563. The next prime is 73455617. The reversal of 73455601 is 10655437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65610000 + 7845601 = 8100^2 + 2801^2 .

It is a cyclic number.

It is not a de Polignac number, because 73455601 - 2¹¹ = 73453553 is a prime.

It is not a weakly prime, because it can be changed into another prime (73455631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36727800 + 36727801.

It is an arithmetic number, because the mean of its divisors is an integer number (36727801).

Almost surely, 2^73455601 is an apocalyptic number.

It is an amenable number.

73455601 is a deficient number, since it is larger than the sum of its proper divisors (1).

73455601 is an equidigital number, since it uses as much as digits as its factorization.

73455601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 73455601 is about 8570.6243063151. The cubic root of 73455601 is about 418.8015742225.

The spelling of 73455601 in words is "seventy-three million, four hundred fifty-five thousand, six hundred one".