64009707 has 4 divisors (see below), whose sum is σ = 85346280. Its totient is φ = 42673136.

The previous prime is 64009669. The next prime is 64009717. The reversal of 64009707 is 70790046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64009707 - 2¹¹ = 64007659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64009717) 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, 10668282 + ... + 10668287.

It is an arithmetic number, because the mean of its divisors is an integer number (21336570).

Almost surely, 2^64009707 is an apocalyptic number.

64009707 is a deficient number, since it is larger than the sum of its proper divisors (21336573).

64009707 is a wasteful number, since it uses less digits than its factorization.

64009707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21336572.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 64009707 is about 8000.6066644974. The cubic root of 64009707 is about 400.0202218943.

The spelling of 64009707 in words is "sixty-four million, nine thousand, seven hundred seven".