68747880 has 64 divisors (see below), whose sum is σ = 209174400. Its totient is φ = 18072320.

The previous prime is 68747873. The next prime is 68747923. The reversal of 68747880 is 8874786.

It is a super-3 number, since 3×68747880³ (a number of 24 digits) contains 333 as substring.

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, 4486 + ... + 12554.

It is an arithmetic number, because the mean of its divisors is an integer number (3268350).

Almost surely, 2^68747880 is an apocalyptic number.

68747880 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 68747880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104587200).

68747880 is an abundant number, since it is smaller than the sum of its proper divisors (140426520).

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

68747880 is a wasteful number, since it uses less digits than its factorization.

68747880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154 (or 8150 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 68747880 is about 8291.4341340928. The cubic root of 68747880 is about 409.6564244423.

The spelling of 68747880 in words is "sixty-eight million, seven hundred forty-seven thousand, eight hundred eighty".