68349952 has 104 divisors (see below), whose sum is σ = 156874032. Its totient is φ = 29491200.

The previous prime is 68349949. The next prime is 68349959. The reversal of 68349952 is 25994386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68349959) 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 7 ways as a sum of consecutive naturals, for example, 1667052 + ... + 1667092.

Almost surely, 2^68349952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68349952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78437016).

68349952 is an abundant number, since it is smaller than the sum of its proper divisors (88524080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68349952 is a wasteful number, since it uses less digits than its factorization.

68349952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 91 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 68349952 is about 8267.4029779611. The cubic root of 68349952 is about 408.8645004007.

The spelling of 68349952 in words is "sixty-eight million, three hundred forty-nine thousand, nine hundred fifty-two".