68799132 has 72 divisors (see below), whose sum is σ = 185321136. Its totient is φ = 22301568.

The previous prime is 68799131. The next prime is 68799139. The reversal of 68799132 is 23199786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68799131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35008 + ... + 36920.

Almost surely, 2^68799132 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 68799132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92660568).

68799132 is an abundant number, since it is smaller than the sum of its proper divisors (116522004).

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

68799132 is a wasteful number, since it uses less digits than its factorization.

68799132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1955 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 68799132 is about 8294.5242178199. The cubic root of 68799132 is about 409.7581996812.

The spelling of 68799132 in words is "sixty-eight million, seven hundred ninety-nine thousand, one hundred thirty-two".