68514687 has 8 divisors (see below), whose sum is σ = 101503280. Its totient is φ = 45676440.

The previous prime is 68514671. The next prime is 68514701. The reversal of 68514687 is 78641586.

It is a happy number.

It is not a de Polignac number, because 68514687 - 2⁴ = 68514671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68514647) 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, 1268764 + ... + 1268817.

It is an arithmetic number, because the mean of its divisors is an integer number (12687910).

Almost surely, 2^68514687 is an apocalyptic number.

68514687 is a deficient number, since it is larger than the sum of its proper divisors (32988593).

68514687 is a wasteful number, since it uses less digits than its factorization.

68514687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537590 (or 2537584 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 68514687 is about 8277.3599051872. The cubic root of 68514687 is about 409.1927145012.

The spelling of 68514687 in words is "sixty-eight million, five hundred fourteen thousand, six hundred eighty-seven".