68671824 has 40 divisors (see below), whose sum is σ = 191050272. Its totient is φ = 21129600.

The previous prime is 68671807. The next prime is 68671847. The reversal of 68671824 is 42817686.

It is a super-2 number, since 2×68671824² = 9431638822973952, which contains 22 as substring.

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, 54402 + ... + 55649.

Almost surely, 2^68671824 is an apocalyptic number.

It is an amenable number.

68671824 is an abundant number, since it is smaller than the sum of its proper divisors (122378448).

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

68671824 is a wasteful number, since it uses less digits than its factorization.

68671824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110075 (or 110069 counting only the distinct ones).

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

The square root of 68671824 is about 8286.8464448184. The cubic root of 68671824 is about 409.5053006272.

The spelling of 68671824 in words is "sixty-eight million, six hundred seventy-one thousand, eight hundred twenty-four".