68349036 has 48 divisors (see below), whose sum is σ = 185265920. Its totient is φ = 19206720.

The previous prime is 68349011. The next prime is 68349037. The reversal of 68349036 is 63094386.

It is a junction number, because it is equal to n+sod(n) for n = 68348985 and 68349003.

It is not an unprimeable number, because it can be changed into a prime (68349037) 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, 1546 + ... + 11793.

Almost surely, 2^68349036 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 68349036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92632960).

68349036 is an abundant number, since it is smaller than the sum of its proper divisors (116916884).

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

68349036 is a wasteful number, since it uses less digits than its factorization.

68349036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13414 (or 13412 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 68349036 is about 8267.3475794840. The cubic root of 68349036 is about 408.8626739105.

The spelling of 68349036 in words is "sixty-eight million, three hundred forty-nine thousand, thirty-six".