64425850 has 24 divisors (see below), whose sum is σ = 120045888. Its totient is φ = 25724400.

The previous prime is 64425847. The next prime is 64425853. The reversal of 64425850 is 5852446.

It is an interprime number because it is at equal distance from previous prime (64425847) and next prime (64425853).

It is not an unprimeable number, because it can be changed into a prime (64425853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47887 + ... + 49213.

It is an arithmetic number, because the mean of its divisors is an integer number (5001912).

Almost surely, 2^64425850 is an apocalyptic number.

64425850 is a deficient number, since it is larger than the sum of its proper divisors (55620038).

64425850 is a wasteful number, since it uses less digits than its factorization.

64425850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 64425850 is about 8026.5714972210. The cubic root of 64425850 is about 400.8852269878.

The spelling of 64425850 in words is "sixty-four million, four hundred twenty-five thousand, eight hundred fifty".