64378304 has 14 divisors (see below), whose sum is σ = 127750824. Its totient is φ = 32189120.

The previous prime is 64378283. The next prime is 64378313. The reversal of 64378304 is 40387346.

64378304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 502892 + ... + 503019.

Almost surely, 2^64378304 is an apocalyptic number.

64378304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64378304 is a deficient number, since it is larger than the sum of its proper divisors (63372520).

64378304 is a wasteful number, since it uses less digits than its factorization.

64378304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005923 (or 1005913 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 64378304 is about 8023.6091629640. The cubic root of 64378304 is about 400.7865855274.

It can be divided in two parts, 6437 and 8304, that added together give a palindrome (14741).

The spelling of 64378304 in words is "sixty-four million, three hundred seventy-eight thousand, three hundred four".