68199472 has 30 divisors (see below), whose sum is σ = 145245044. Its totient is φ = 30998880.

The previous prime is 68199451. The next prime is 68199479. The reversal of 68199472 is 27499186.

It is not an unprimeable number, because it can be changed into a prime (68199479) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 15678 + ... + 19549.

Almost surely, 2^68199472 is an apocalyptic number.

It is an amenable number.

68199472 is an abundant number, since it is smaller than the sum of its proper divisors (77045572).

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

68199472 is a wasteful number, since it uses less digits than its factorization.

68199472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35257 (or 35240 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 68199472 is about 8258.2971610375. The cubic root of 68199472 is about 408.5642264157.

The spelling of 68199472 in words is "sixty-eight million, one hundred ninety-nine thousand, four hundred seventy-two".