68049432 has 144 divisors (see below), whose sum is σ = 207272520. Its totient is φ = 20148480.

The previous prime is 68049413. The next prime is 68049473. The reversal of 68049432 is 23494086.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 635923 + ... + 636029.

Almost surely, 2^68049432 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 68049432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103636260).

68049432 is an abundant number, since it is smaller than the sum of its proper divisors (139223088).

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

68049432 is a wasteful number, since it uses less digits than its factorization.

68049432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 68049432 is about 8249.2079619804. The cubic root of 68049432 is about 408.2643903410.

The spelling of 68049432 in words is "sixty-eight million, forty-nine thousand, four hundred thirty-two".