64604461 has 8 divisors (see below), whose sum is σ = 66777984. Its totient is φ = 62464320.

The previous prime is 64604453. The next prime is 64604497. The reversal of 64604461 is 16440646.

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

It is a cyclic number.

It is not a de Polignac number, because 64604461 - 2³ = 64604453 is a prime.

It is a super-2 number, since 2×64604461² = 8347472762201042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64604261) 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, 4380 + ... + 12181.

It is an arithmetic number, because the mean of its divisors is an integer number (8347248).

Almost surely, 2^64604461 is an apocalyptic number.

It is an amenable number.

64604461 is a deficient number, since it is larger than the sum of its proper divisors (2173523).

64604461 is a wasteful number, since it uses less digits than its factorization.

64604461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16691.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 64604461 is about 8037.6900288578. The cubic root of 64604461 is about 401.2553498703.

The spelling of 64604461 in words is "sixty-four million, six hundred four thousand, four hundred sixty-one".