73380001 has 2 divisors, whose sum is σ = 73380002. Its totient is φ = 73380000.

The previous prime is 73379993. The next prime is 73380023. The reversal of 73380001 is 10008337.

It is an a-pointer prime, because the next prime (73380023) can be obtained adding 73380001 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62331025 + 11048976 = 7895^2 + 3324^2 .

It is a cyclic number.

It is not a de Polignac number, because 73380001 - 2³ = 73379993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73380031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36690000 + 36690001.

It is an arithmetic number, because the mean of its divisors is an integer number (36690001).

Almost surely, 2^73380001 is an apocalyptic number.

It is an amenable number.

73380001 is a deficient number, since it is larger than the sum of its proper divisors (1).

73380001 is an equidigital number, since it uses as much as digits as its factorization.

73380001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 73380001 is about 8566.2127571057. The cubic root of 73380001 is about 418.6578490030.

Adding to 73380001 its reverse (10008337), we get a palindrome (83388338).

The spelling of 73380001 in words is "seventy-three million, three hundred eighty thousand, one".