68213432 has 32 divisors (see below), whose sum is σ = 146534400. Its totient is φ = 29161824.

The previous prime is 68213413. The next prime is 68213443. The reversal of 68213432 is 23431286.

It is a junction number, because it is equal to n+sod(n) for n = 68213395 and 68213404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25553 + ... + 28095.

It is an arithmetic number, because the mean of its divisors is an integer number (4579200).

Almost surely, 2^68213432 is an apocalyptic number.

It is an amenable number.

68213432 is an abundant number, since it is smaller than the sum of its proper divisors (78320968).

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

68213432 is a wasteful number, since it uses less digits than its factorization.

68213432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3031 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 68213432 is about 8259.1423283535. The cubic root of 68213432 is about 408.5921013504.

The spelling of 68213432 in words is "sixty-eight million, two hundred thirteen thousand, four hundred thirty-two".