68736384 has 64 divisors (see below), whose sum is σ = 202878000. Its totient is φ = 22910976.

The previous prime is 68736383. The next prime is 68736401. The reversal of 68736384 is 48363786.

68736384 is a `hidden beast` number, since 6 + 8 + 7 + 3 + 638 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68736383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6489 + ... + 13400.

Almost surely, 2^68736384 is an apocalyptic number.

68736384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68736384 is an abundant number, since it is smaller than the sum of its proper divisors (134141616).

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

68736384 is a wasteful number, since it uses less digits than its factorization.

68736384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19912 (or 19894 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 68736384 is about 8290.7408595372. The cubic root of 68736384 is about 409.6335889610.

The spelling of 68736384 in words is "sixty-eight million, seven hundred thirty-six thousand, three hundred eighty-four".