64673601 has 8 divisors (see below), whose sum is σ = 86364960. Its totient is φ = 43048992.

The previous prime is 64673579. The next prime is 64673711. The reversal of 64673601 is 10637646.

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

It is not a de Polignac number, because 64673601 - 2⁶ = 64673537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64673501) 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, 14380 + ... + 18333.

It is an arithmetic number, because the mean of its divisors is an integer number (10795620).

Almost surely, 2^64673601 is an apocalyptic number.

It is an amenable number.

64673601 is a deficient number, since it is larger than the sum of its proper divisors (21691359).

64673601 is a wasteful number, since it uses less digits than its factorization.

64673601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33375.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 64673601 is about 8041.9898656987. The cubic root of 64673601 is about 401.3984406286.

It can be divided in two parts, 646 and 73601, that added together give a palindrome (74247).

The spelling of 64673601 in words is "sixty-four million, six hundred seventy-three thousand, six hundred one".