65448736 has 24 divisors (see below), whose sum is σ = 129801420. Its totient is φ = 32483328.

The previous prime is 65448701. The next prime is 65448763. The reversal of 65448736 is 63784456.

65448736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 61528336 + 3920400 = 7844^2 + 1980^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65448692 and 65448701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3081 + ... + 11848.

Almost surely, 2^65448736 is an apocalyptic number.

It is an amenable number.

65448736 is a deficient number, since it is larger than the sum of its proper divisors (64352684).

65448736 is a wasteful number, since it uses less digits than its factorization.

65448736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15076 (or 15068 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 65448736 is about 8090.0393076919. The cubic root of 65448736 is about 402.9957083202.

The spelling of 65448736 in words is "sixty-five million, four hundred forty-eight thousand, seven hundred thirty-six".