68144673 has 8 divisors (see below), whose sum is σ = 90904608. Its totient is φ = 45407264.

The previous prime is 68144669. The next prime is 68144677. The reversal of 68144673 is 37644186.

It is an interprime number because it is at equal distance from previous prime (68144669) and next prime (68144677).

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

It is a cyclic number.

It is not a de Polignac number, because 68144673 - 2² = 68144669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68144677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586 + ... + 12212.

It is an arithmetic number, because the mean of its divisors is an integer number (11363076).

Almost surely, 2^68144673 is an apocalyptic number.

It is an amenable number.

68144673 is a deficient number, since it is larger than the sum of its proper divisors (22759935).

68144673 is a wasteful number, since it uses less digits than its factorization.

68144673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11263.

The product of its digits is 96768, while the sum is 39.

The square root of 68144673 is about 8254.9786795606. The cubic root of 68144673 is about 408.4547685287.

It can be divided in two parts, 681 and 44673, that added together give a palindrome (45354).

The spelling of 68144673 in words is "sixty-eight million, one hundred forty-four thousand, six hundred seventy-three".