68461332 has 48 divisors (see below), whose sum is σ = 172085760. Its totient is φ = 21113568.

The previous prime is 68461331. The next prime is 68461357. The reversal of 68461332 is 23316486.

It is a junction number, because it is equal to n+sod(n) for n = 68461293 and 68461302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68461331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6313 + ... + 13295.

It is an arithmetic number, because the mean of its divisors is an integer number (3585120).

Almost surely, 2^68461332 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 68461332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86042880).

68461332 is an abundant number, since it is smaller than the sum of its proper divisors (103624428).

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

68461332 is a wasteful number, since it uses less digits than its factorization.

68461332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052 (or 7050 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 68461332 is about 8274.1363295513. The cubic root of 68461332 is about 409.0864689260.

The spelling of 68461332 in words is "sixty-eight million, four hundred sixty-one thousand, three hundred thirty-two".