73450001 has 2 divisors, whose sum is σ = 73450002. Its totient is φ = 73450000.

The previous prime is 73449989. The next prime is 73450007. The reversal of 73450001 is 10005437.

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., 62789776 + 10660225 = 7924^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 73450001 - 2¹⁸ = 73187857 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (73450007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36725000 + 36725001.

It is an arithmetic number, because the mean of its divisors is an integer number (36725001).

Almost surely, 2^73450001 is an apocalyptic number.

It is an amenable number.

73450001 is a deficient number, since it is larger than the sum of its proper divisors (1).

73450001 is an equidigital number, since it uses as much as digits as its factorization.

73450001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 73450001 is about 8570.2976027674. The cubic root of 73450001 is about 418.7909312927.

Adding to 73450001 its reverse (10005437), we get a palindrome (83455438).

The spelling of 73450001 in words is "seventy-three million, four hundred fifty thousand, one".