64425078 has 16 divisors (see below), whose sum is σ = 143166960. Its totient is φ = 21475008.

The previous prime is 64425077. The next prime is 64425083. The reversal of 64425078 is 87052446.

64425078 is a `hidden beast` number, since 644 + 2 + 5 + 0 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64425071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596475 + ... + 596582.

It is an arithmetic number, because the mean of its divisors is an integer number (8947935).

Almost surely, 2^64425078 is an apocalyptic number.

64425078 is an abundant number, since it is smaller than the sum of its proper divisors (78741882).

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

64425078 is a wasteful number, since it uses less digits than its factorization.

64425078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193068 (or 1193062 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 64425078 is about 8026.5234068057. The cubic root of 64425078 is about 400.8836257432.

The spelling of 64425078 in words is "sixty-four million, four hundred twenty-five thousand, seventy-eight".