68537448 has 64 divisors (see below), whose sum is σ = 217584000. Its totient is φ = 19581696.

The previous prime is 68537407. The next prime is 68537461. The reversal of 68537448 is 84473586.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 21153 + ... + 24176.

It is an arithmetic number, because the mean of its divisors is an integer number (3399750).

Almost surely, 2^68537448 is an apocalyptic number.

It is an amenable number.

68537448 is an abundant number, since it is smaller than the sum of its proper divisors (149046552).

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

68537448 is a wasteful number, since it uses less digits than its factorization.

68537448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45351 (or 45341 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 68537448 is about 8278.7346859288. The cubic root of 68537448 is about 409.2380215958.

The spelling of 68537448 in words is "sixty-eight million, five hundred thirty-seven thousand, four hundred forty-eight".