64461684 has 48 divisors (see below), whose sum is σ = 172419968. Its totient is φ = 18361728.

The previous prime is 64461647. The next prime is 64461707. The reversal of 64461684 is 48616446.

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 15 ways as a sum of consecutive naturals, for example, 32382 + ... + 34314.

Almost surely, 2^64461684 is an apocalyptic number.

It is an amenable number.

64461684 is an abundant number, since it is smaller than the sum of its proper divisors (107958284).

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

64461684 is a wasteful number, since it uses less digits than its factorization.

64461684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344 (or 2342 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 64461684 is about 8028.8033977673. The cubic root of 64461684 is about 400.9595380430.

The spelling of 64461684 in words is "sixty-four million, four hundred sixty-one thousand, six hundred eighty-four".