68496672 has 144 divisors (see below), whose sum is σ = 204755040. Its totient is φ = 19924992.

The previous prime is 68496643. The next prime is 68496679. The reversal of 68496672 is 27669486.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (68496679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1457353 + ... + 1457399.

It is an arithmetic number, because the mean of its divisors is an integer number (1421910).

Almost surely, 2^68496672 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 68496672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102377520).

68496672 is an abundant number, since it is smaller than the sum of its proper divisors (136258368).

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

68496672 is a wasteful number, since it uses less digits than its factorization.

68496672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 88 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 68496672 is about 8276.2716243487. The cubic root of 68496672 is about 409.1568474813.

The spelling of 68496672 in words is "sixty-eight million, four hundred ninety-six thousand, six hundred seventy-two".