68187464 has 16 divisors (see below), whose sum is σ = 128638320. Its totient is φ = 33883920.

The previous prime is 68187419. The next prime is 68187473. The reversal of 68187464 is 46478186.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24842 + ... + 27449.

It is an arithmetic number, because the mean of its divisors is an integer number (8039895).

Almost surely, 2^68187464 is an apocalyptic number.

It is an amenable number.

68187464 is a deficient number, since it is larger than the sum of its proper divisors (60450856).

68187464 is a wasteful number, since it uses less digits than its factorization.

68187464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52460 (or 52456 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 68187464 is about 8257.5701026392. The cubic root of 68187464 is about 408.5402461362.

The spelling of 68187464 in words is "sixty-eight million, one hundred eighty-seven thousand, four hundred sixty-four".