68311048 has 32 divisors (see below), whose sum is σ = 138279960. Its totient is φ = 31449600.

The previous prime is 68311021. The next prime is 68311057. The reversal of 68311048 is 84011386.

It can be written as a sum of positive squares in 4 ways, for example, as 42484324 + 25826724 = 6518^2 + 5082^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72436 + ... + 73372.

Almost surely, 2^68311048 is an apocalyptic number.

It is an amenable number.

68311048 is an abundant number, since it is smaller than the sum of its proper divisors (69968912).

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

68311048 is a wasteful number, since it uses less digits than its factorization.

68311048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 68311048 is about 8265.0497881138. The cubic root of 68311048 is about 408.7869120341.

The spelling of 68311048 in words is "sixty-eight million, three hundred eleven thousand, forty-eight".