68380464 has 40 divisors (see below), whose sum is σ = 178377472. Its totient is φ = 22570560.

The previous prime is 68380457. The next prime is 68380489. The reversal of 68380464 is 46408386.

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, 1972 + ... + 11859.

Almost surely, 2^68380464 is an apocalyptic number.

It is an amenable number.

68380464 is an abundant number, since it is smaller than the sum of its proper divisors (109997008).

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

68380464 is a wasteful number, since it uses less digits than its factorization.

68380464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13945 (or 13939 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 68380464 is about 8269.2480915740. The cubic root of 68380464 is about 408.9253315468.

The spelling of 68380464 in words is "sixty-eight million, three hundred eighty thousand, four hundred sixty-four".