64009673 has 16 divisors (see below), whose sum is σ = 78973440. Its totient is φ = 50521536.

The previous prime is 64009669. The next prime is 64009717. The reversal of 64009673 is 37690046.

It is not a de Polignac number, because 64009673 - 2² = 64009669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64009633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61088 + ... + 62126.

It is an arithmetic number, because the mean of its divisors is an integer number (4935840).

Almost surely, 2^64009673 is an apocalyptic number.

It is an amenable number.

64009673 is a deficient number, since it is larger than the sum of its proper divisors (14963767).

64009673 is a wasteful number, since it uses less digits than its factorization.

64009673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 64009673 is about 8000.6045396582. The cubic root of 64009673 is about 400.0201510682.

The spelling of 64009673 in words is "sixty-four million, nine thousand, six hundred seventy-three".