68045510 has 16 divisors (see below), whose sum is σ = 131903856. Its totient is φ = 25124448.

The previous prime is 68045507. The next prime is 68045521. The reversal of 68045510 is 1554086.

It is a happy number.

It is a congruent number.

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, 261584 + ... + 261843.

It is an arithmetic number, because the mean of its divisors is an integer number (8243991).

Almost surely, 2^68045510 is an apocalyptic number.

68045510 is a deficient number, since it is larger than the sum of its proper divisors (63858346).

68045510 is a wasteful number, since it uses less digits than its factorization.

68045510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523447.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 68045510 is about 8248.9702387631. The cubic root of 68045510 is about 408.2565468089.

Adding to 68045510 its reverse (1554086), we get a palindrome (69599596).

The spelling of 68045510 in words is "sixty-eight million, forty-five thousand, five hundred ten".