65471448 has 48 divisors (see below), whose sum is σ = 190405080. Its totient is φ = 18705792.

The previous prime is 65471407. The next prime is 65471449. The reversal of 65471448 is 84417456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65471449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26661 + ... + 29012.

Almost surely, 2^65471448 is an apocalyptic number.

It is an amenable number.

65471448 is an abundant number, since it is smaller than the sum of its proper divisors (124933632).

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

65471448 is a wasteful number, since it uses less digits than its factorization.

65471448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55696 (or 55685 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 65471448 is about 8091.4428873965. The cubic root of 65471448 is about 403.0423187441.

The spelling of 65471448 in words is "sixty-five million, four hundred seventy-one thousand, four hundred forty-eight".