68657386 has 8 divisors (see below), whose sum is σ = 117698400. Its totient is φ = 29424588.

The previous prime is 68657377. The next prime is 68657387. The reversal of 68657386 is 68375686.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (68657387) 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, 2452036 + ... + 2452063.

It is an arithmetic number, because the mean of its divisors is an integer number (14712300).

Almost surely, 2^68657386 is an apocalyptic number.

68657386 is a deficient number, since it is larger than the sum of its proper divisors (49041014).

68657386 is a wasteful number, since it uses less digits than its factorization.

68657386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904108.

The product of its digits is 1451520, while the sum is 49.

The square root of 68657386 is about 8285.9752594369. The cubic root of 68657386 is about 409.4765996181.

The spelling of 68657386 in words is "sixty-eight million, six hundred fifty-seven thousand, three hundred eighty-six".