34727128 has 8 divisors (see below), whose sum is σ = 65113380. Its totient is φ = 17363560.

The previous prime is 34727113. The next prime is 34727129. The reversal of 34727128 is 82172743.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 34727093 and 34727102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34727129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2170438 + ... + 2170453.

Almost surely, 2^34727128 is an apocalyptic number.

It is an amenable number.

34727128 is a deficient number, since it is larger than the sum of its proper divisors (30386252).

34727128 is a wasteful number, since it uses less digits than its factorization.

34727128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340897 (or 4340893 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 34727128 is about 5892.9727642337. The cubic root of 34727128 is about 326.2543337504.

The spelling of 34727128 in words is "thirty-four million, seven hundred twenty-seven thousand, one hundred twenty-eight".