64346625 has 48 divisors (see below), whose sum is σ = 132582528. Its totient is φ = 29412000.

The previous prime is 64346593. The next prime is 64346627. The reversal of 64346625 is 52664346.

64346625 is a `hidden beast` number, since 643 + 4 + 6 + 6 + 2 + 5 = 666.

64346625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64346625 - 2⁵ = 64346593 is a prime.

It is a super-4 number, since 4×64346625⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64346625.

It is not an unprimeable number, because it can be changed into a prime (64346627) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3790 + ... + 11960.

It is an arithmetic number, because the mean of its divisors is an integer number (2762136).

Almost surely, 2^64346625 is an apocalyptic number.

It is an amenable number.

64346625 is an abundant number, since it is smaller than the sum of its proper divisors (68235903).

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

64346625 is a wasteful number, since it uses less digits than its factorization.

64346625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199 (or 8186 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 64346625 is about 8021.6348084415. The cubic root of 64346625 is about 400.7208356264.

The spelling of 64346625 in words is "sixty-four million, three hundred forty-six thousand, six hundred twenty-five".