68150688 has 48 divisors (see below), whose sum is σ = 189423360. Its totient is φ = 21380096.

The previous prime is 68150681. The next prime is 68150689. The reversal of 68150688 is 88605186.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (68150681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19248 + ... + 22511.

It is an arithmetic number, because the mean of its divisors is an integer number (3946320).

Almost surely, 2^68150688 is an apocalyptic number.

68150688 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68150688 is an abundant number, since it is smaller than the sum of its proper divisors (121272672).

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

68150688 is a wasteful number, since it uses less digits than its factorization.

68150688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41789 (or 41781 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 68150688 is about 8255.3429971141. The cubic root of 68150688 is about 408.4667860157.

The spelling of 68150688 in words is "sixty-eight million, one hundred fifty thousand, six hundred eighty-eight".