68585430 has 64 divisors (see below), whose sum is σ = 170818560. Its totient is φ = 17611776.

The previous prime is 68585401. The next prime is 68585431. The reversal of 68585430 is 3458586.

It is a happy number.

It is a super-2 number, since 2×68585430² = 9407922416569800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68585431) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 101574 + ... + 102246.

It is an arithmetic number, because the mean of its divisors is an integer number (2669040).

Almost surely, 2^68585430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68585430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85409280).

68585430 is an abundant number, since it is smaller than the sum of its proper divisors (102233130).

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

68585430 is a wasteful number, since it uses less digits than its factorization.

68585430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805.

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

The square root of 68585430 is about 8281.6320855252. The cubic root of 68585430 is about 409.3334997070. Note that the first 3 decimals are identical.

The spelling of 68585430 in words is "sixty-eight million, five hundred eighty-five thousand, four hundred thirty".