68536448 has 32 divisors (see below), whose sum is σ = 137101260. Its totient is φ = 34126848.

The previous prime is 68536411. The next prime is 68536463. The reversal of 68536448 is 84463586.

It can be written as a sum of positive squares in 2 ways, for example, as 68029504 + 506944 = 8248^2 + 712^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 68536399 and 68536408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34490 + ... + 36422.

Almost surely, 2^68536448 is an apocalyptic number.

It is an amenable number.

68536448 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

68536448 is a wasteful number, since it uses less digits than its factorization.

68536448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224 (or 2212 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 68536448 is about 8278.6742900056. The cubic root of 68536448 is about 409.2360312483.

It can be divided in two parts, 6853 and 6448, that multiplied together give a palindrome (44188144).

The spelling of 68536448 in words is "sixty-eight million, five hundred thirty-six thousand, four hundred forty-eight".