68607744 has 72 divisors (see below), whose sum is σ = 184082640. Its totient is φ = 22683648.

The previous prime is 68607701. The next prime is 68607751. The reversal of 68607744 is 44770686.

It is a junction number, because it is equal to n+sod(n) for n = 68607696 and 68607705.

It is a congruent number.

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, 120292 + ... + 120860.

Almost surely, 2^68607744 is an apocalyptic number.

68607744 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68607744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92041320).

68607744 is an abundant number, since it is smaller than the sum of its proper divisors (115474896).

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

68607744 is a wasteful number, since it uses less digits than its factorization.

68607744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 68607744 is about 8282.9791741861. The cubic root of 68607744 is about 409.3778865752.

The spelling of 68607744 in words is "sixty-eight million, six hundred seven thousand, seven hundred forty-four".