68664338 has 8 divisors (see below), whose sum is σ = 107474688. Its totient is φ = 32839444.

The previous prime is 68664307. The next prime is 68664367. The reversal of 68664338 is 83346686.

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

It is a Curzon 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, 746306 + ... + 746397.

It is an arithmetic number, because the mean of its divisors is an integer number (13434336).

Almost surely, 2^68664338 is an apocalyptic number.

68664338 is a deficient number, since it is larger than the sum of its proper divisors (38810350).

68664338 is a wasteful number, since it uses less digits than its factorization.

68664338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492728.

The product of its digits is 497664, while the sum is 44.

The square root of 68664338 is about 8286.3947528464. The cubic root of 68664338 is about 409.4904198609.

The spelling of 68664338 in words is "sixty-eight million, six hundred sixty-four thousand, three hundred thirty-eight".