68512548 has 24 divisors (see below), whose sum is σ = 172160128. Its totient is φ = 21080736.

The previous prime is 68512531. The next prime is 68512571. The reversal of 68512548 is 84521586.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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, 219436 + ... + 219747.

Almost surely, 2^68512548 is an apocalyptic number.

It is an amenable number.

68512548 is an abundant number, since it is smaller than the sum of its proper divisors (103647580).

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

68512548 is a wasteful number, since it uses less digits than its factorization.

68512548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439203 (or 439201 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 68512548 is about 8277.2306963138. The cubic root of 68512548 is about 409.1884561815.

The spelling of 68512548 in words is "sixty-eight million, five hundred twelve thousand, five hundred forty-eight".