68253835 has 16 divisors (see below), whose sum is σ = 88381440. Its totient is φ = 50302080.

The previous prime is 68253797. The next prime is 68253841. The reversal of 68253835 is 53835286.

It is a happy number.

It is not a de Polignac number, because 68253835 - 2⁹ = 68253323 is a prime.

It is an unprimeable number.

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, 52726 + ... + 54004.

It is an arithmetic number, because the mean of its divisors is an integer number (5523840).

Almost surely, 2^68253835 is an apocalyptic number.

68253835 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68253835 is a deficient number, since it is larger than the sum of its proper divisors (20127605).

68253835 is a wasteful number, since it uses less digits than its factorization.

68253835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118.

The product of its digits is 172800, while the sum is 40.

The square root of 68253835 is about 8261.5879224275. The cubic root of 68253835 is about 408.6727554970.

The spelling of 68253835 in words is "sixty-eight million, two hundred fifty-three thousand, eight hundred thirty-five".