68305371 has 16 divisors (see below), whose sum is σ = 98676864. Its totient is φ = 41860224.

The previous prime is 68305343. The next prime is 68305373. The reversal of 68305371 is 17350386.

It is a happy number.

It is not a de Polignac number, because 68305371 - 2⁵ = 68305339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68305373) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13381 + ... + 17766.

It is an arithmetic number, because the mean of its divisors is an integer number (6167304).

Almost surely, 2^68305371 is an apocalyptic number.

68305371 is a deficient number, since it is larger than the sum of its proper divisors (30371493).

68305371 is a wasteful number, since it uses less digits than its factorization.

68305371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31210.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 68305371 is about 8264.7063468704. The cubic root of 68305371 is about 408.7755876209.

The spelling of 68305371 in words is "sixty-eight million, three hundred five thousand, three hundred seventy-one".