68037892 has 12 divisors (see below), whose sum is σ = 128225356. Its totient is φ = 31402080.

The previous prime is 68037889. The next prime is 68037913. The reversal of 68037892 is 29873086.

It can be written as a sum of positive squares in 2 ways, for example, as 26357956 + 41679936 = 5134^2 + 6456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654159 + ... + 654262.

Almost surely, 2^68037892 is an apocalyptic number.

It is an amenable number.

68037892 is a deficient number, since it is larger than the sum of its proper divisors (60187464).

68037892 is a wasteful number, since it uses less digits than its factorization.

68037892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308438 (or 1308436 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 68037892 is about 8248.5084712328. The cubic root of 68037892 is about 408.2413108566.

The spelling of 68037892 in words is "sixty-eight million, thirty-seven thousand, eight hundred ninety-two".