65570448 has 40 divisors (see below), whose sum is σ = 171148768. Its totient is φ = 21629952.

The previous prime is 65570443. The next prime is 65570467. The reversal of 65570448 is 84407556.

It is not an unprimeable number, because it can be changed into a prime (65570443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386 + ... + 11697.

Almost surely, 2^65570448 is an apocalyptic number.

It is an amenable number.

65570448 is an abundant number, since it is smaller than the sum of its proper divisors (105578320).

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

65570448 is a wasteful number, since it uses less digits than its factorization.

65570448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191 (or 14185 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 65570448 is about 8097.5581504550. The cubic root of 65570448 is about 403.2453644788.

The spelling of 65570448 in words is "sixty-five million, five hundred seventy thousand, four hundred forty-eight".