68766456 has 64 divisors (see below), whose sum is σ = 189475200. Its totient is φ = 20624000.

The previous prime is 68766437. The next prime is 68766469. The reversal of 68766456 is 65466786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25375 + ... + 27953.

It is an arithmetic number, because the mean of its divisors is an integer number (2960550).

Almost surely, 2^68766456 is an apocalyptic number.

68766456 is a gapful number since it is divisible by the number (66) 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 68766456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94737600).

68766456 is an abundant number, since it is smaller than the sum of its proper divisors (120708744).

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

68766456 is a wasteful number, since it uses less digits than its factorization.

68766456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700 (or 2696 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 68766456 is about 8292.5542506516. The cubic root of 68766456 is about 409.6933181494.

The spelling of 68766456 in words is "sixty-eight million, seven hundred sixty-six thousand, four hundred fifty-six".