68505192 has 192 divisors, whose sum is σ = 226512000. Its totient is φ = 18289152.

The previous prime is 68505191. The next prime is 68505193. The reversal of 68505192 is 29150586.

It is a happy number.

68505192 is a `hidden beast` number, since 68 + 505 + 1 + 92 = 666.

It is an interprime number because it is at equal distance from previous prime (68505191) and next prime (68505193).

It is a super-2 number, since 2×68505192² = 9385922661913728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68505191) 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 47 ways as a sum of consecutive naturals, for example, 628434 + ... + 628542.

It is an arithmetic number, because the mean of its divisors is an integer number (1179750).

Almost surely, 2^68505192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68505192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113256000).

68505192 is an abundant number, since it is smaller than the sum of its proper divisors (158006808).

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

68505192 is a wasteful number, since it uses less digits than its factorization.

68505192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 68505192 is about 8276.7863328710. The cubic root of 68505192 is about 409.1738111853.

The spelling of 68505192 in words is "sixty-eight million, five hundred five thousand, one hundred ninety-two".