68432319 has 24 divisors (see below), whose sum is σ = 104624000. Its totient is φ = 42981840.

The previous prime is 68432311. The next prime is 68432339. The reversal of 68432319 is 91323486.

It is not a de Polignac number, because 68432319 - 2³ = 68432311 is a prime.

It is a super-2 number, since 2×68432319² = 9365964567435522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68432311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33024 + ... + 35034.

Almost surely, 2^68432319 is an apocalyptic number.

68432319 is a deficient number, since it is larger than the sum of its proper divisors (36191681).

68432319 is a wasteful number, since it uses less digits than its factorization.

68432319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235 (or 2232 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 68432319 is about 8272.3829094161. The cubic root of 68432319 is about 409.0286722964.

The spelling of 68432319 in words is "sixty-eight million, four hundred thirty-two thousand, three hundred nineteen".