64712065 has 8 divisors (see below), whose sum is σ = 84714048. Its totient is φ = 47063280.

The previous prime is 64712059. The next prime is 64712069. The reversal of 64712065 is 56021746.

It is a happy number.

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

It is not a de Polignac number, because 64712065 - 2⁷ = 64711937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64712069) 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, 588237 + ... + 588346.

It is an arithmetic number, because the mean of its divisors is an integer number (10589256).

Almost surely, 2^64712065 is an apocalyptic number.

It is an amenable number.

64712065 is a deficient number, since it is larger than the sum of its proper divisors (20001983).

64712065 is a wasteful number, since it uses less digits than its factorization.

64712065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176599.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 64712065 is about 8044.3809581596. The cubic root of 64712065 is about 401.4780008076.

The spelling of 64712065 in words is "sixty-four million, seven hundred twelve thousand, sixty-five".