68445001 has 4 divisors (see below), whose sum is σ = 68528592. Its totient is φ = 68361412.

The previous prime is 68444977. The next prime is 68445023. The reversal of 68445001 is 10054486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68445001 - 2⁹ = 68444489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68445061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40555 + ... + 42208.

It is an arithmetic number, because the mean of its divisors is an integer number (17132148).

Almost surely, 2^68445001 is an apocalyptic number.

It is an amenable number.

68445001 is a deficient number, since it is larger than the sum of its proper divisors (83591).

68445001 is an equidigital number, since it uses as much as digits as its factorization.

68445001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83590.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 68445001 is about 8273.1494003191. The cubic root of 68445001 is about 409.0539380446.

Adding to 68445001 its reverse (10054486), we get a palindrome (78499487).

The spelling of 68445001 in words is "sixty-eight million, four hundred forty-five thousand, one".