68696736 has 48 divisors (see below), whose sum is σ = 183300768. Its totient is φ = 22521600.

The previous prime is 68696731. The next prime is 68696759. The reversal of 68696736 is 63769686.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (68696731) 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, 10 + ... + 11721.

It is an arithmetic number, because the mean of its divisors is an integer number (3818766).

Almost surely, 2^68696736 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 68696736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91650384).

68696736 is an abundant number, since it is smaller than the sum of its proper divisors (114604032).

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

68696736 is a wasteful number, since it uses less digits than its factorization.

68696736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11805 (or 11797 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The square root of 68696736 is about 8288.3494134840. The cubic root of 68696736 is about 409.5548132322.

The spelling of 68696736 in words is "sixty-eight million, six hundred ninety-six thousand, seven hundred thirty-six".