68071510 has 48 divisors (see below), whose sum is σ = 135660096. Its totient is φ = 24570624.

The previous prime is 68071489. The next prime is 68071583. The reversal of 68071510 is 1517086.

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 23 ways as a sum of consecutive naturals, for example, 79002 + ... + 79858.

It is an arithmetic number, because the mean of its divisors is an integer number (2826252).

Almost surely, 2^68071510 is an apocalyptic number.

68071510 is a deficient number, since it is larger than the sum of its proper divisors (67588586).

68071510 is a wasteful number, since it uses less digits than its factorization.

68071510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 68071510 is about 8250.5460425356. The cubic root of 68071510 is about 408.3085380844.

Adding to 68071510 its reverse (1517086), we get a palindrome (69588596).

The spelling of 68071510 in words is "sixty-eight million, seventy-one thousand, five hundred ten".