68914480 has 40 divisors (see below), whose sum is σ = 162043200. Its totient is φ = 27253248.

The previous prime is 68914459. The next prime is 68914493. The reversal of 68914480 is 8441986.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2281 + ... + 11959.

It is an arithmetic number, because the mean of its divisors is an integer number (4051080).

Almost surely, 2^68914480 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 68914480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81021600).

68914480 is an abundant number, since it is smaller than the sum of its proper divisors (93128720).

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

68914480 is a wasteful number, since it uses less digits than its factorization.

68914480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781 (or 9775 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 68914480 is about 8301.4745678102. The cubic root of 68914480 is about 409.9870707801.

The spelling of 68914480 in words is "sixty-eight million, nine hundred fourteen thousand, four hundred eighty".