73507001 has 2 divisors, whose sum is σ = 73507002. Its totient is φ = 73507000.

The previous prime is 73506989. The next prime is 73507009. The reversal of 73507001 is 10070537.

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., 45427600 + 28079401 = 6740^2 + 5299^2 .

It is an emirp because it is prime and its reverse (10070537) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73507001 - 2¹⁴ = 73490617 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 (73507009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36753500 + 36753501.

It is an arithmetic number, because the mean of its divisors is an integer number (36753501).

Almost surely, 2^73507001 is an apocalyptic number.

It is an amenable number.

73507001 is a deficient number, since it is larger than the sum of its proper divisors (1).

73507001 is an equidigital number, since it uses as much as digits as its factorization.

73507001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 73507001 is about 8573.6223966303. The cubic root of 73507001 is about 418.8992358557.

Adding to 73507001 its reverse (10070537), we get a palindrome (83577538).

It can be divided in two parts, 73 and 507001, that multiplied together give a palindrome (37011073).

The spelling of 73507001 in words is "seventy-three million, five hundred seven thousand, one".