64610004 has 12 divisors (see below), whose sum is σ = 150756704. Its totient is φ = 21536664.

The previous prime is 64609991. The next prime is 64610011. The reversal of 64610004 is 40001646.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692072 + ... + 2692095.

Almost surely, 2^64610004 is an apocalyptic number.

It is an amenable number.

64610004 is an abundant number, since it is smaller than the sum of its proper divisors (86146700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64610004 is a wasteful number, since it uses less digits than its factorization.

64610004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384174 (or 5384172 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 64610004 is about 8038.0348344605. The cubic root of 64610004 is about 401.2668253152.

The spelling of 64610004 in words is "sixty-four million, six hundred ten thousand, four".