68835393 has 32 divisors (see below), whose sum is σ = 113374080. Its totient is φ = 40921920.

The previous prime is 68835379. The next prime is 68835409. The reversal of 68835393 is 39353886.

It is not a de Polignac number, because 68835393 - 2¹⁸ = 68573249 is a prime.

It is a super-2 number, since 2×68835393² = 9476622658928898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68835373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13555 + ... + 17927.

It is an arithmetic number, because the mean of its divisors is an integer number (3542940).

Almost surely, 2^68835393 is an apocalyptic number.

It is an amenable number.

68835393 is a deficient number, since it is larger than the sum of its proper divisors (44538687).

68835393 is a wasteful number, since it uses less digits than its factorization.

68835393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446 (or 4440 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 68835393 is about 8296.7097695412. The cubic root of 68835393 is about 409.8301755528.

The spelling of 68835393 in words is "sixty-eight million, eight hundred thirty-five thousand, three hundred ninety-three".