64630001 has 8 divisors (see below), whose sum is σ = 68707200. Its totient is φ = 60620400.

The previous prime is 64629997. The next prime is 64630021. The reversal of 64630001 is 10003646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64630001 - 2² = 64629997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64630021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14921 + ... + 18758.

It is an arithmetic number, because the mean of its divisors is an integer number (8588400).

Almost surely, 2^64630001 is an apocalyptic number.

It is an amenable number.

64630001 is a deficient number, since it is larger than the sum of its proper divisors (4077199).

64630001 is a wasteful number, since it uses less digits than its factorization.

64630001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33799.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 64630001 is about 8039.2786367932. The cubic root of 64630001 is about 401.3082188276.

Adding to 64630001 its reverse (10003646), we get a palindrome (74633647).

The spelling of 64630001 in words is "sixty-four million, six hundred thirty thousand, one".