68393232 has 60 divisors (see below), whose sum is σ = 192177804. Its totient is φ = 22705920.

The previous prime is 68393219. The next prime is 68393243. The reversal of 68393232 is 23239386.

It can be written as a sum of positive squares in 2 ways, for example, as 59536656 + 8856576 = 7716^2 + 2976^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41382 + ... + 43002.

Almost surely, 2^68393232 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 68393232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96088902).

68393232 is an abundant number, since it is smaller than the sum of its proper divisors (123784572).

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

68393232 is a wasteful number, since it uses less digits than its factorization.

68393232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1919 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 68393232 is about 8270.0200725270. The cubic root of 68393232 is about 408.9507814750.

The spelling of 68393232 in words is "sixty-eight million, three hundred ninety-three thousand, two hundred thirty-two".