68687124 has 24 divisors (see below), whose sum is σ = 174840288. Its totient is φ = 20814240.

The previous prime is 68687117. The next prime is 68687153. The reversal of 68687124 is 42178686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260047 + ... + 260310.

It is an arithmetic number, because the mean of its divisors is an integer number (7285012).

Almost surely, 2^68687124 is an apocalyptic number.

It is an amenable number.

68687124 is an abundant number, since it is smaller than the sum of its proper divisors (106153164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68687124 is a wasteful number, since it uses less digits than its factorization.

68687124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520375 (or 520373 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 68687124 is about 8287.7695431280. The cubic root of 68687124 is about 409.5357107987.

The spelling of 68687124 in words is "sixty-eight million, six hundred eighty-seven thousand, one hundred twenty-four".