68757536 has 48 divisors (see below), whose sum is σ = 140107968. Its totient is φ = 33196800.

The previous prime is 68757529. The next prime is 68757583. The reversal of 68757536 is 63575786.

It is a happy number.

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, 120131 + ... + 120701.

It is an arithmetic number, because the mean of its divisors is an integer number (2918916).

Almost surely, 2^68757536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68757536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70053984).

68757536 is an abundant number, since it is smaller than the sum of its proper divisors (71350432).

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

68757536 is a wasteful number, since it uses less digits than its factorization.

68757536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 697 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 47.

The square root of 68757536 is about 8292.0164013345. The cubic root of 68757536 is about 409.6756030082.

The spelling of 68757536 in words is "sixty-eight million, seven hundred fifty-seven thousand, five hundred thirty-six".