68927880 has 128 divisors (see below), whose sum is σ = 244039680. Its totient is φ = 15240960.

The previous prime is 68927861. The next prime is 68927899. The reversal of 68927880 is 8872986.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68927861) and next prime (68927899).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24717 + ... + 27363.

It is an arithmetic number, because the mean of its divisors is an integer number (1906560).

Almost surely, 2^68927880 is an apocalyptic number.

68927880 is a gapful number since it is divisible by the number (60) 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 68927880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122019840).

68927880 is an abundant number, since it is smaller than the sum of its proper divisors (175111800).

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

68927880 is a wasteful number, since it uses less digits than its factorization.

68927880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 68927880 is about 8302.2816141107. The cubic root of 68927880 is about 410.0136422191.

The spelling of 68927880 in words is "sixty-eight million, nine hundred twenty-seven thousand, eight hundred eighty".