68830784 has 28 divisors (see below), whose sum is σ = 149004528. Its totient is φ = 31286400.

The previous prime is 68830781. The next prime is 68830799. The reversal of 68830784 is 48703886.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (68830781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48182 + ... + 49589.

Almost surely, 2^68830784 is an apocalyptic number.

68830784 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68830784 is an abundant number, since it is smaller than the sum of its proper divisors (80173744).

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

68830784 is a wasteful number, since it uses less digits than its factorization.

68830784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97794 (or 97784 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 68830784 is about 8296.4320041811. The cubic root of 68830784 is about 409.8210283716.

The spelling of 68830784 in words is "sixty-eight million, eight hundred thirty thousand, seven hundred eighty-four".