64870248 has 32 divisors (see below), whose sum is σ = 163697760. Its totient is φ = 21420480.

The previous prime is 64870243. The next prime is 64870261. The reversal of 64870248 is 84207846.

It is not an unprimeable number, because it can be changed into a prime (64870243) 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 7 ways as a sum of consecutive naturals, for example, 10063 + ... + 15198.

It is an arithmetic number, because the mean of its divisors is an integer number (5115555).

Almost surely, 2^64870248 is an apocalyptic number.

It is an amenable number.

64870248 is an abundant number, since it is smaller than the sum of its proper divisors (98827512).

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

64870248 is a wasteful number, since it uses less digits than its factorization.

64870248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25377 (or 25373 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 64870248 is about 8054.2068510810. The cubic root of 64870248 is about 401.8048606134.

The spelling of 64870248 in words is "sixty-four million, eight hundred seventy thousand, two hundred forty-eight".