68313352 has 16 divisors (see below), whose sum is σ = 129264300. Its totient is φ = 33842880.

The previous prime is 68313347. The next prime is 68313353. The reversal of 68313352 is 25331386.

It can be written as a sum of positive squares in 2 ways, for example, as 64416676 + 3896676 = 8026^2 + 1974^2 .

It is a super-2 number, since 2×68313352² = 9333428122951808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68313353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38299 + ... + 40042.

Almost surely, 2^68313352 is an apocalyptic number.

It is an amenable number.

68313352 is a deficient number, since it is larger than the sum of its proper divisors (60950948).

68313352 is a wasteful number, since it uses less digits than its factorization.

68313352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78456 (or 78452 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 68313352 is about 8265.1891690390. The cubic root of 68313352 is about 408.7915078473.

The spelling of 68313352 in words is "sixty-eight million, three hundred thirteen thousand, three hundred fifty-two".