64627073 has 8 divisors (see below), whose sum is σ = 74514048. Its totient is φ = 54903744.

The previous prime is 64627063. The next prime is 64627093. The reversal of 64627073 is 37072646.

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

It is not a de Polignac number, because 64627073 - 2⁸ = 64626817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64627063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40061 + ... + 41642.

It is an arithmetic number, because the mean of its divisors is an integer number (9314256).

Almost surely, 2^64627073 is an apocalyptic number.

It is an amenable number.

64627073 is a deficient number, since it is larger than the sum of its proper divisors (9886975).

64627073 is a wasteful number, since it uses less digits than its factorization.

64627073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81823.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 64627073 is about 8039.0965288395. The cubic root of 64627073 is about 401.3021584419.

The spelling of 64627073 in words is "sixty-four million, six hundred twenty-seven thousand, seventy-three".