68354986 has 8 divisors (see below), whose sum is σ = 117180000. Its totient is φ = 29294988.

The previous prime is 68354983. The next prime is 68355019. The reversal of 68354986 is 68945386.

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 2×68354986² = 9344808222120392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68354983) 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, 2441236 + ... + 2441263.

It is an arithmetic number, because the mean of its divisors is an integer number (14647500).

Almost surely, 2^68354986 is an apocalyptic number.

68354986 is a deficient number, since it is larger than the sum of its proper divisors (48825014).

68354986 is a wasteful number, since it uses less digits than its factorization.

68354986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882508.

The product of its digits is 1244160, while the sum is 49.

The square root of 68354986 is about 8267.7074210448. The cubic root of 68354986 is about 408.8745378297.

The spelling of 68354986 in words is "sixty-eight million, three hundred fifty-four thousand, nine hundred eighty-six".