34163728 has 20 divisors (see below), whose sum is σ = 67982380. Its totient is φ = 16619904.

The previous prime is 34163719. The next prime is 34163737. The reversal of 34163728 is 82736143.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (34163719) and next prime (34163737).

It can be written as a sum of positive squares in 2 ways, for example, as 15776784 + 18386944 = 3972^2 + 4288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34163693 and 34163702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28263 + ... + 29446.

It is an arithmetic number, because the mean of its divisors is an integer number (3399119).

Almost surely, 2^34163728 is an apocalyptic number.

It is an amenable number.

34163728 is a deficient number, since it is larger than the sum of its proper divisors (33818652).

34163728 is a wasteful number, since it uses less digits than its factorization.

34163728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57754 (or 57748 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 34163728 is about 5844.9745936146. The cubic root of 34163728 is about 324.4803625018.

The spelling of 34163728 in words is "thirty-four million, one hundred sixty-three thousand, seven hundred twenty-eight".