68267880 has 64 divisors (see below), whose sum is σ = 227563200. Its totient is φ = 18204480.

The previous prime is 68267873. The next prime is 68267891. The reversal of 68267880 is 8876286.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 30526 + ... + 32685.

It is an arithmetic number, because the mean of its divisors is an integer number (3555675).

Almost surely, 2^68267880 is an apocalyptic number.

68267880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68267880 is an abundant number, since it is smaller than the sum of its proper divisors (159295320).

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

68267880 is a wasteful number, since it uses less digits than its factorization.

68267880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63231 (or 63221 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 68267880 is about 8262.4378968922. The cubic root of 68267880 is about 408.7007852538.

It can be divided in two parts, 6826 and 7880, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 68267880 in words is "sixty-eight million, two hundred sixty-seven thousand, eight hundred eighty".