64870268 has 12 divisors (see below), whose sum is σ = 113668632. Its totient is φ = 32393520.

The previous prime is 64870261. The next prime is 64870277. The reversal of 64870268 is 86207846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64870261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6755 + ... + 13242.

It is an arithmetic number, because the mean of its divisors is an integer number (9472386).

Almost surely, 2^64870268 is an apocalyptic number.

It is an amenable number.

64870268 is a deficient number, since it is larger than the sum of its proper divisors (48798364).

64870268 is a wasteful number, since it uses less digits than its factorization.

64870268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20812 (or 20810 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 64870268 is about 8054.2080926681. The cubic root of 64870268 is about 401.8049019066.

The spelling of 64870268 in words is "sixty-four million, eight hundred seventy thousand, two hundred sixty-eight".