68917434 has 16 divisors (see below), whose sum is σ = 140095200. Its totient is φ = 22595760.

The previous prime is 68917423. The next prime is 68917441. The reversal of 68917434 is 43471986.

It is a super-2 number, since 2×68917434² = 9499225418288712, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 93784 + ... + 94515.

It is an arithmetic number, because the mean of its divisors is an integer number (8755950).

Almost surely, 2^68917434 is an apocalyptic number.

68917434 is an abundant number, since it is smaller than the sum of its proper divisors (71177766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68917434 is a wasteful number, since it uses less digits than its factorization.

68917434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188365.

The product of its digits is 145152, while the sum is 42.

The square root of 68917434 is about 8301.6524861018. The cubic root of 68917434 is about 409.9929286903.

The spelling of 68917434 in words is "sixty-eight million, nine hundred seventeen thousand, four hundred thirty-four".