68505834 has 16 divisors (see below), whose sum is σ = 140353920. Its totient is φ = 22278240.

The previous prime is 68505821. The next prime is 68505847. The reversal of 68505834 is 43850586.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68505821) and next prime (68505847).

It is a junction number, because it is equal to n+sod(n) for n = 68505792 and 68505801.

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 7 ways as a sum of consecutive naturals, for example, 138994 + ... + 139485.

It is an arithmetic number, because the mean of its divisors is an integer number (8772120).

Almost surely, 2^68505834 is an apocalyptic number.

68505834 is an abundant number, since it is smaller than the sum of its proper divisors (71848086).

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

68505834 is a wasteful number, since it uses less digits than its factorization.

68505834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278525.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 68505834 is about 8276.8251159487. The cubic root of 68505834 is about 409.1750893793.

The spelling of 68505834 in words is "sixty-eight million, five hundred five thousand, eight hundred thirty-four".