64426704 has 20 divisors (see below), whose sum is σ = 166435776. Its totient is φ = 21475552.

The previous prime is 64426699. The next prime is 64426723. The reversal of 64426704 is 40762446.

64426704 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 in 3 ways as a sum of consecutive naturals, for example, 671064 + ... + 671159.

Almost surely, 2^64426704 is an apocalyptic number.

It is an amenable number.

64426704 is an abundant number, since it is smaller than the sum of its proper divisors (102009072).

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

64426704 is a wasteful number, since it uses less digits than its factorization.

64426704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342234 (or 1342228 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 64426704 is about 8026.6246953498. The cubic root of 64426704 is about 400.8869982978.

The spelling of 64426704 in words is "sixty-four million, four hundred twenty-six thousand, seven hundred four".