65868448 has 12 divisors (see below), whose sum is σ = 129678570. Its totient is φ = 32934208.

The previous prime is 65868431. The next prime is 65868457. The reversal of 65868448 is 84486856.

It can be written as a sum of positive squares in only one way, i.e., 36144144 + 29724304 = 6012^2 + 5452^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1029163 + ... + 1029226.

Almost surely, 2^65868448 is an apocalyptic number.

It is an amenable number.

65868448 is a deficient number, since it is larger than the sum of its proper divisors (63810122).

65868448 is a wasteful number, since it uses less digits than its factorization.

65868448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058399 (or 2058391 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The square root of 65868448 is about 8115.9379002060. The cubic root of 65868448 is about 403.8553218511.

The spelling of 65868448 in words is "sixty-five million, eight hundred sixty-eight thousand, four hundred forty-eight".