68383215 has 48 divisors (see below), whose sum is σ = 123752928. Its totient is φ = 34898688.

The previous prime is 68383213. The next prime is 68383229. The reversal of 68383215 is 51238386.

68383215 is a `hidden beast` number, since 68 + 383 + 215 = 666.

It is not a de Polignac number, because 68383215 - 2¹ = 68383213 is a prime.

It is a super-3 number, since 3×68383215³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68383215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68383213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111249 + ... + 111861.

It is an arithmetic number, because the mean of its divisors is an integer number (2578186).

Almost surely, 2^68383215 is an apocalyptic number.

68383215 is a deficient number, since it is larger than the sum of its proper divisors (55369713).

68383215 is a wasteful number, since it uses less digits than its factorization.

68383215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 725 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 68383215 is about 8269.4144290875. The cubic root of 68383215 is about 408.9308152694.

The spelling of 68383215 in words is "sixty-eight million, three hundred eighty-three thousand, two hundred fifteen".