68716480 has 56 divisors (see below), whose sum is σ = 187013088. Its totient is φ = 23559168.

The previous prime is 68716477. The next prime is 68716481. The reversal of 68716480 is 8461786.

It is a tau number, because it is divible by the number of its divisors (56).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68716481) 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, 13099 + ... + 17578.

Almost surely, 2^68716480 is an apocalyptic number.

It is an amenable number.

68716480 is an abundant number, since it is smaller than the sum of its proper divisors (118296608).

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

68716480 is a wasteful number, since it uses less digits than its factorization.

68716480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30701 (or 30691 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 68716480 is about 8289.5403973924. The cubic root of 68716480 is about 409.5940459340.

It can be divided in two parts, 68716 and 480, that added together give a palindrome (69196).

The spelling of 68716480 in words is "sixty-eight million, seven hundred sixteen thousand, four hundred eighty".