68764872 has 64 divisors (see below), whose sum is σ = 192144960. Its totient is φ = 20326400.

The previous prime is 68764867. The next prime is 68764879. The reversal of 68764872 is 27846786.

It is not an unprimeable number, because it can be changed into a prime (68764879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7648 + ... + 14000.

It is an arithmetic number, because the mean of its divisors is an integer number (3002265).

Almost surely, 2^68764872 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 68764872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96072480).

68764872 is an abundant number, since it is smaller than the sum of its proper divisors (123380088).

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

68764872 is a wasteful number, since it uses less digits than its factorization.

68764872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414 (or 6410 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 68764872 is about 8292.4587427373. The cubic root of 68764872 is about 409.6901724335.

The spelling of 68764872 in words is "sixty-eight million, seven hundred sixty-four thousand, eight hundred seventy-two".