68906510 has 8 divisors (see below), whose sum is σ = 124031736. Its totient is φ = 27562600.

The previous prime is 68906507. The next prime is 68906533. The reversal of 68906510 is 1560986.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3445316 + ... + 3445335.

It is an arithmetic number, because the mean of its divisors is an integer number (15503967).

Almost surely, 2^68906510 is an apocalyptic number.

68906510 is a deficient number, since it is larger than the sum of its proper divisors (55125226).

68906510 is a wasteful number, since it uses less digits than its factorization.

68906510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890658.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 68906510 is about 8300.9945187309. The cubic root of 68906510 is about 409.9712650891.

The spelling of 68906510 in words is "sixty-eight million, nine hundred six thousand, five hundred ten".