68214638 has 8 divisors (see below), whose sum is σ = 102395232. Its totient is φ = 34082896.

The previous prime is 68214637. The next prime is 68214647. The reversal of 68214638 is 83641286.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68214637) 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, 8495 + ... + 14442.

It is an arithmetic number, because the mean of its divisors is an integer number (12799404).

Almost surely, 2^68214638 is an apocalyptic number.

68214638 is a deficient number, since it is larger than the sum of its proper divisors (34180594).

68214638 is a wasteful number, since it uses less digits than its factorization.

68214638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24426.

The product of its digits is 55296, while the sum is 38.

The square root of 68214638 is about 8259.2153380330. The cubic root of 68214638 is about 408.5945092788.

The spelling of 68214638 in words is "sixty-eight million, two hundred fourteen thousand, six hundred thirty-eight".