64315667 has 8 divisors (see below), whose sum is σ = 69911856. Its totient is φ = 58812192.

The previous prime is 64315663. The next prime is 64315673. The reversal of 64315667 is 76651346.

It is a happy number.

64315667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64315667 - 2² = 64315663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64315667.

It is not an unprimeable number, because it can be changed into a prime (64315661) 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 in 7 ways as a sum of consecutive naturals, for example, 21728 + ... + 24509.

It is an arithmetic number, because the mean of its divisors is an integer number (8738982).

Almost surely, 2^64315667 is an apocalyptic number.

64315667 is a deficient number, since it is larger than the sum of its proper divisors (5596189).

64315667 is a wasteful number, since it uses less digits than its factorization.

64315667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46357.

The product of its digits is 90720, while the sum is 38.

The square root of 64315667 is about 8019.7049197586. The cubic root of 64315667 is about 400.6565613118.

The spelling of 64315667 in words is "sixty-four million, three hundred fifteen thousand, six hundred sixty-seven".