64471608 has 48 divisors (see below), whose sum is σ = 175036680. Its totient is φ = 21438144.

The previous prime is 64471607. The next prime is 64471619. The reversal of 64471608 is 80617446.

64471608 is a `hidden beast` number, since 6 + 4 + 47 + 1 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64471607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38566 + ... + 40202.

Almost surely, 2^64471608 is an apocalyptic number.

It is an amenable number.

64471608 is an abundant number, since it is smaller than the sum of its proper divisors (110565072).

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

64471608 is a wasteful number, since it uses less digits than its factorization.

64471608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 64471608 is about 8029.4213988307. The cubic root of 64471608 is about 400.9801131507.

The spelling of 64471608 in words is "sixty-four million, four hundred seventy-one thousand, six hundred eight".