68436132 has 24 divisors (see below), whose sum is σ = 166627776. Its totient is φ = 21820128.

The previous prime is 68436079. The next prime is 68436161. The reversal of 68436132 is 23163486.

It is a junction number, because it is equal to n+sod(n) for n = 68436093 and 68436102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123703 + ... + 124254.

It is an arithmetic number, because the mean of its divisors is an integer number (6942824).

Almost surely, 2^68436132 is an apocalyptic number.

It is an amenable number.

68436132 is an abundant number, since it is smaller than the sum of its proper divisors (98191644).

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

68436132 is a wasteful number, since it uses less digits than its factorization.

68436132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247987 (or 247985 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 68436132 is about 8272.6133718433. The cubic root of 68436132 is about 409.0362690840.

The spelling of 68436132 in words is "sixty-eight million, four hundred thirty-six thousand, one hundred thirty-two".