68460784 has 20 divisors (see below), whose sum is σ = 151591984. Its totient is φ = 29340288.

The previous prime is 68460779. The next prime is 68460817. The reversal of 68460784 is 48706486.

It is a self number, because there is not a number n which added to its sum of digits gives 68460784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305517 + ... + 305740.

Almost surely, 2^68460784 is an apocalyptic number.

It is an amenable number.

68460784 is an abundant number, since it is smaller than the sum of its proper divisors (83131200).

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

68460784 is a wasteful number, since it uses less digits than its factorization.

68460784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611272 (or 611266 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 68460784 is about 8274.1032142462. The cubic root of 68460784 is about 409.0853774097.

The spelling of 68460784 in words is "sixty-eight million, four hundred sixty thousand, seven hundred eighty-four".