28065974 has 16 divisors (see below), whose sum is σ = 43866240. Its totient is φ = 13452480.

The previous prime is 28065967. The next prime is 28065977. The reversal of 28065974 is 47956082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28065977) 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 in 7 ways as a sum of consecutive naturals, for example, 4682 + ... + 8834.

It is an arithmetic number, because the mean of its divisors is an integer number (2741640).

Almost surely, 2^28065974 is an apocalyptic number.

28065974 is a deficient number, since it is larger than the sum of its proper divisors (15800266).

28065974 is a wasteful number, since it uses less digits than its factorization.

28065974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 28065974 is about 5297.7329113499. The cubic root of 28065974 is about 303.8972052610.

The spelling of 28065974 in words is "twenty-eight million, sixty-five thousand, nine hundred seventy-four".