68013772 has 6 divisors (see below), whose sum is σ = 119024108. Its totient is φ = 34006884.

The previous prime is 68013731. The next prime is 68013791. The reversal of 68013772 is 27731086.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8501718 + ... + 8501725.

Almost surely, 2^68013772 is an apocalyptic number.

It is an amenable number.

68013772 is a deficient number, since it is larger than the sum of its proper divisors (51010336).

68013772 is a wasteful number, since it uses less digits than its factorization.

68013772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17003447 (or 17003445 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 68013772 is about 8247.0462591160. The cubic root of 68013772 is about 408.1930635053.

The spelling of 68013772 in words is "sixty-eight million, thirteen thousand, seven hundred seventy-two".