68653824 has 36 divisors (see below), whose sum is σ = 182721336. Its totient is φ = 22884352.

The previous prime is 68653801. The next prime is 68653829. The reversal of 68653824 is 42835686.

It is not an unprimeable number, because it can be changed into a prime (68653829) 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, 43929 + ... + 45464.

Almost surely, 2^68653824 is an apocalyptic number.

68653824 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68653824 is an abundant number, since it is smaller than the sum of its proper divisors (114067512).

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

68653824 is an equidigital number, since it uses as much as digits as its factorization.

68653824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89412 (or 89398 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 68653824 is about 8285.7603151431. The cubic root of 68653824 is about 409.4695181713.

The spelling of 68653824 in words is "sixty-eight million, six hundred fifty-three thousand, eight hundred twenty-four".