68090480 has 20 divisors (see below), whose sum is σ = 158310552. Its totient is φ = 27236160.

The previous prime is 68090459. The next prime is 68090483. The reversal of 68090480 is 8409086.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 68090480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68090483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425486 + ... + 425645.

Almost surely, 2^68090480 is an apocalyptic number.

It is an amenable number.

68090480 is an abundant number, since it is smaller than the sum of its proper divisors (90220072).

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

68090480 is a wasteful number, since it uses less digits than its factorization.

68090480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851144 (or 851138 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 68090480 is about 8251.6955833332. The cubic root of 68090480 is about 408.3464633660.

The spelling of 68090480 in words is "sixty-eight million, ninety thousand, four hundred eighty".