68105372 has 6 divisors (see below), whose sum is σ = 119184408. Its totient is φ = 34052684.

The previous prime is 68105363. The next prime is 68105377. The reversal of 68105372 is 27350186.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68105377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8513168 + ... + 8513175.

It is an arithmetic number, because the mean of its divisors is an integer number (19864068).

Almost surely, 2^68105372 is an apocalyptic number.

It is an amenable number.

68105372 is a deficient number, since it is larger than the sum of its proper divisors (51079036).

68105372 is a wasteful number, since it uses less digits than its factorization.

68105372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17026347 (or 17026345 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 68105372 is about 8252.5978939968. The cubic root of 68105372 is about 408.3762308766.

The spelling of 68105372 in words is "sixty-eight million, one hundred five thousand, three hundred seventy-two".