68238956 has 12 divisors (see below), whose sum is σ = 125703480. Its totient is φ = 32323680.

The previous prime is 68238913. The next prime is 68238959. The reversal of 68238956 is 65983286.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68238956.

It is not an unprimeable number, because it can be changed into a prime (68238959) 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, 448865 + ... + 449016.

It is an arithmetic number, because the mean of its divisors is an integer number (10475290).

Almost surely, 2^68238956 is an apocalyptic number.

It is an amenable number.

68238956 is a deficient number, since it is larger than the sum of its proper divisors (57464524).

68238956 is a wasteful number, since it uses less digits than its factorization.

68238956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897904 (or 897902 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 68238956 is about 8260.6873805998. The cubic root of 68238956 is about 408.6430571226.

The spelling of 68238956 in words is "sixty-eight million, two hundred thirty-eight thousand, nine hundred fifty-six".