68407018 has 8 divisors (see below), whose sum is σ = 105920640. Its totient is φ = 33100140.

The previous prime is 68406971. The next prime is 68407033. The reversal of 68407018 is 81070486.

It is a happy number.

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

It is a super-2 number, since 2×68407018² = 9359040223304648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551608 + ... + 551731.

It is an arithmetic number, because the mean of its divisors is an integer number (13240080).

Almost surely, 2^68407018 is an apocalyptic number.

68407018 is a deficient number, since it is larger than the sum of its proper divisors (37513622).

68407018 is a wasteful number, since it uses less digits than its factorization.

68407018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103372.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 68407018 is about 8270.8535230652. The cubic root of 68407018 is about 408.9782569846.

The spelling of 68407018 in words is "sixty-eight million, four hundred seven thousand, eighteen".