64304456 has 16 divisors (see below), whose sum is σ = 122371440. Its totient is φ = 31672080.

The previous prime is 64304437. The next prime is 64304473. The reversal of 64304456 is 65440346.

64304456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64304456² = 8270126122911872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59450 + ... + 60521.

It is an arithmetic number, because the mean of its divisors is an integer number (7648215).

Almost surely, 2^64304456 is an apocalyptic number.

It is an amenable number.

64304456 is a deficient number, since it is larger than the sum of its proper divisors (58066984).

64304456 is a wasteful number, since it uses less digits than its factorization.

64304456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120044 (or 120040 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 64304456 is about 8019.0059234297. The cubic root of 64304456 is about 400.6332801947.

The spelling of 64304456 in words is "sixty-four million, three hundred four thousand, four hundred fifty-six".