68418428 has 24 divisors (see below), whose sum is σ = 130136160. Its totient is φ = 31285440.

The previous prime is 68418419. The next prime is 68418431. The reversal of 68418428 is 82481486.

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, 368 + ... + 11703.

It is an arithmetic number, because the mean of its divisors is an integer number (5422340).

Almost surely, 2^68418428 is an apocalyptic number.

It is an amenable number.

68418428 is a deficient number, since it is larger than the sum of its proper divisors (61717732).

68418428 is a wasteful number, since it uses less digits than its factorization.

68418428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12197 (or 12195 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 68418428 is about 8271.5432659208. The cubic root of 68418428 is about 409.0009943325. Note that the first 3 decimals are identical.

The spelling of 68418428 in words is "sixty-eight million, four hundred eighteen thousand, four hundred twenty-eight".