68758044 has 24 divisors (see below), whose sum is σ = 160621440. Its totient is φ = 22892784.

The previous prime is 68758021. The next prime is 68758049. The reversal of 68758044 is 44085786.

It is a super-2 number, since 2×68758044² = 9455337229411872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68757987 and 68758005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68758049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9417 + ... + 15039.

It is an arithmetic number, because the mean of its divisors is an integer number (6692560).

Almost surely, 2^68758044 is an apocalyptic number.

It is an amenable number.

68758044 is an abundant number, since it is smaller than the sum of its proper divisors (91863396).

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

68758044 is a wasteful number, since it uses less digits than its factorization.

68758044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649 (or 6647 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 68758044 is about 8292.0470331517. The cubic root of 68758044 is about 409.6766119386.

The spelling of 68758044 in words is "sixty-eight million, seven hundred fifty-eight thousand, forty-four".