4068738 has 16 divisors (see below), whose sum is σ = 9041760. Its totient is φ = 1356228.

The previous prime is 4068733. The next prime is 4068739. The reversal of 4068738 is 8378604.

It is not an unprimeable number, because it can be changed into a prime (4068731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37620 + ... + 37727.

It is an arithmetic number, because the mean of its divisors is an integer number (565110).

Almost surely, 2^4068738 is an apocalyptic number.

4068738 is an abundant number, since it is smaller than the sum of its proper divisors (4973022).

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

4068738 is a wasteful number, since it uses less digits than its factorization.

4068738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75358 (or 75352 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 4068738 is about 2017.1113008458. Note that the first 3 decimals coincide. The cubic root of 4068738 is about 159.6442355759.

The spelling of 4068738 in words is "four million, sixty-eight thousand, seven hundred thirty-eight".