68641286 has 8 divisors (see below), whose sum is σ = 117670800. Its totient is φ = 29417688.

The previous prime is 68641277. The next prime is 68641303. The reversal of 68641286 is 68214686.

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

It is a super-2 number, since 2×68641286² = 9423252287467592, which contains 22 as substring.

It is a congruent number.

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, 2451461 + ... + 2451488.

It is an arithmetic number, because the mean of its divisors is an integer number (14708850).

Almost surely, 2^68641286 is an apocalyptic number.

68641286 is a deficient number, since it is larger than the sum of its proper divisors (49029514).

68641286 is a wasteful number, since it uses less digits than its factorization.

68641286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902958.

The product of its digits is 110592, while the sum is 41.

The square root of 68641286 is about 8285.0036813510. The cubic root of 68641286 is about 409.4445900072. Note that the first 3 decimals are identical.

The spelling of 68641286 in words is "sixty-eight million, six hundred forty-one thousand, two hundred eighty-six".