64960017 has 4 divisors (see below), whose sum is σ = 86613360. Its totient is φ = 43306676.

The previous prime is 64960013. The next prime is 64960019. The reversal of 64960017 is 71006946.

It is a happy number.

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 64960017 - 2² = 64960013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64960017.

It is not an unprimeable number, because it can be changed into a prime (64960013) 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, 10826667 + ... + 10826672.

It is an arithmetic number, because the mean of its divisors is an integer number (21653340).

Almost surely, 2^64960017 is an apocalyptic number.

It is an amenable number.

64960017 is a deficient number, since it is larger than the sum of its proper divisors (21653343).

64960017 is a wasteful number, since it uses less digits than its factorization.

64960017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21653342.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 64960017 is about 8059.7777264637. Note that the first 4 decimals coincide. The cubic root of 64960017 is about 401.9901175759.

The spelling of 64960017 in words is "sixty-four million, nine hundred sixty thousand, seventeen".