68641695 has 64 divisors (see below), whose sum is σ = 128304000. Its totient is φ = 34771968.

The previous prime is 68641691. The next prime is 68641711. The reversal of 68641695 is 59614686.

It is not a de Polignac number, because 68641695 - 2² = 68641691 is a prime.

It is a super-3 number, since 3×68641695³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 68641695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68641691) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 348337 + ... + 348533.

It is an arithmetic number, because the mean of its divisors is an integer number (2004750).

Almost surely, 2^68641695 is an apocalyptic number.

68641695 is a deficient number, since it is larger than the sum of its proper divisors (59662305).

68641695 is a wasteful number, since it uses less digits than its factorization.

68641695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 323 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 68641695 is about 8285.0283644656. The cubic root of 68641695 is about 409.4454032325.

The spelling of 68641695 in words is "sixty-eight million, six hundred forty-one thousand, six hundred ninety-five".