68525330 has 8 divisors (see below), whose sum is σ = 123345612. Its totient is φ = 27410128.

The previous prime is 68525323. The next prime is 68525339. The reversal of 68525330 is 3352586.

It can be written as a sum of positive squares in 2 ways, for example, as 62615569 + 5909761 = 7913^2 + 2431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68525339) 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 3 ways as a sum of consecutive naturals, for example, 3426257 + ... + 3426276.

Almost surely, 2^68525330 is an apocalyptic number.

68525330 is a deficient number, since it is larger than the sum of its proper divisors (54820282).

68525330 is a wasteful number, since it uses less digits than its factorization.

68525330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852540.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 68525330 is about 8278.0027784484. The cubic root of 68525330 is about 409.2139012607.

The spelling of 68525330 in words is "sixty-eight million, five hundred twenty-five thousand, three hundred thirty".