64481468 has 6 divisors (see below), whose sum is σ = 112842576. Its totient is φ = 32240732.

The previous prime is 64481447. The next prime is 64481477. The reversal of 64481468 is 86418446.

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 as a sum of consecutive naturals, namely, 8060180 + ... + 8060187.

It is an arithmetic number, because the mean of its divisors is an integer number (18807096).

Almost surely, 2^64481468 is an apocalyptic number.

It is an amenable number.

64481468 is a deficient number, since it is larger than the sum of its proper divisors (48361108).

64481468 is a wasteful number, since it uses less digits than its factorization.

64481468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16120371 (or 16120369 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 64481468 is about 8030.0353672945. The cubic root of 64481468 is about 401.0005534784. Note that the first 3 decimals are identical.

The spelling of 64481468 in words is "sixty-four million, four hundred eighty-one thousand, four hundred sixty-eight".