68360691 has 16 divisors (see below), whose sum is σ = 104369408. Its totient is φ = 38988000.

The previous prime is 68360683. The next prime is 68360693. The reversal of 68360691 is 19606386.

It is a happy number.

It is not a de Polignac number, because 68360691 - 2³ = 68360683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68360693) 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 15 ways as a sum of consecutive naturals, for example, 9141 + ... + 14841.

It is an arithmetic number, because the mean of its divisors is an integer number (6523088).

Almost surely, 2^68360691 is an apocalyptic number.

68360691 is a deficient number, since it is larger than the sum of its proper divisors (36008717).

68360691 is a wasteful number, since it uses less digits than its factorization.

68360691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 68360691 is about 8268.0524308933. The cubic root of 68360691 is about 408.8859125881.

The spelling of 68360691 in words is "sixty-eight million, three hundred sixty thousand, six hundred ninety-one".