68424844 has 6 divisors (see below), whose sum is σ = 119743484. Its totient is φ = 34212420.

The previous prime is 68424821. The next prime is 68424883. The reversal of 68424844 is 44842486.

It is a junction number, because it is equal to n+sod(n) for n = 68424797 and 68424806.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8553102 + ... + 8553109.

Almost surely, 2^68424844 is an apocalyptic number.

It is an amenable number.

68424844 is a deficient number, since it is larger than the sum of its proper divisors (51318640).

68424844 is a wasteful number, since it uses less digits than its factorization.

68424844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17106215 (or 17106213 counting only the distinct ones).

The product of its digits is 196608, while the sum is 40.

The square root of 68424844 is about 8271.9310925563. The cubic root of 68424844 is about 409.0137787456.

The spelling of 68424844 in words is "sixty-eight million, four hundred twenty-four thousand, eight hundred forty-four".