33728114 has 16 divisors (see below), whose sum is σ = 58079808. Its totient is φ = 14389872.

The previous prime is 33728113. The next prime is 33728137. The reversal of 33728114 is 41182733.

It is a super-2 number, since 2×33728114² = 2275171347993992, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33728111) 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, 2129 + ... + 8484.

It is an arithmetic number, because the mean of its divisors is an integer number (3629988).

Almost surely, 2^33728114 is an apocalyptic number.

33728114 is a deficient number, since it is larger than the sum of its proper divisors (24351694).

33728114 is a wasteful number, since it uses less digits than its factorization.

33728114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849.

The product of its digits is 4032, while the sum is 29.

The square root of 33728114 is about 5807.5910668710. The cubic root of 33728114 is about 323.0953336476.

The spelling of 33728114 in words is "thirty-three million, seven hundred twenty-eight thousand, one hundred fourteen".