34782028 has 12 divisors (see below), whose sum is σ = 61016760. Its totient is φ = 17348672.

The previous prime is 34782019. The next prime is 34782029. The reversal of 34782028 is 82028743.

It is a junction number, because it is equal to n+sod(n) for n = 34781984 and 34782002.

It is not an unprimeable number, because it can be changed into a prime (34782029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8701 + ... + 12052.

It is an arithmetic number, because the mean of its divisors is an integer number (5084730).

Almost surely, 2^34782028 is an apocalyptic number.

It is an amenable number.

34782028 is a deficient number, since it is larger than the sum of its proper divisors (26234732).

34782028 is a wasteful number, since it uses less digits than its factorization.

34782028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21176 (or 21174 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 34782028 is about 5897.6290151212. The cubic root of 34782028 is about 326.4261680249.

The spelling of 34782028 in words is "thirty-four million, seven hundred eighty-two thousand, twenty-eight".