68622818 has 8 divisors (see below), whose sum is σ = 112291920. Its totient is φ = 31192180.

The previous prime is 68622817. The next prime is 68622821. The reversal of 68622818 is 81822686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68622818² = 9418182300522248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68622811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559588 + ... + 1559631.

It is an arithmetic number, because the mean of its divisors is an integer number (14036490).

Almost surely, 2^68622818 is an apocalyptic number.

68622818 is a deficient number, since it is larger than the sum of its proper divisors (43669102).

68622818 is a wasteful number, since it uses less digits than its factorization.

68622818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119232.

The product of its digits is 73728, while the sum is 41.

The square root of 68622818 is about 8283.8890625116. The cubic root of 68622818 is about 409.4078662345.

The spelling of 68622818 in words is "sixty-eight million, six hundred twenty-two thousand, eight hundred eighteen".