64573824 has 64 divisors (see below), whose sum is σ = 196035840. Its totient is φ = 18448896.

The previous prime is 64573793. The next prime is 64573841. The reversal of 64573824 is 42837546.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9324 + ... + 14699.

It is an arithmetic number, because the mean of its divisors is an integer number (3063060).

Almost surely, 2^64573824 is an apocalyptic number.

64573824 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64573824 is an abundant number, since it is smaller than the sum of its proper divisors (131462016).

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

64573824 is a wasteful number, since it uses less digits than its factorization.

64573824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24047 (or 24035 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 64573824 is about 8035.7839692217. The cubic root of 64573824 is about 401.1919115064.

The spelling of 64573824 in words is "sixty-four million, five hundred seventy-three thousand, eight hundred twenty-four".