28065741 has 16 divisors (see below), whose sum is σ = 40934208. Its totient is φ = 16963200.

The previous prime is 28065733. The next prime is 28065767. The reversal of 28065741 is 14756082.

It is not a de Polignac number, because 28065741 - 2³ = 28065733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28065041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14151 + ... + 16011.

It is an arithmetic number, because the mean of its divisors is an integer number (2558388).

Almost surely, 2^28065741 is an apocalyptic number.

It is an amenable number.

28065741 is a deficient number, since it is larger than the sum of its proper divisors (12868467).

28065741 is a wasteful number, since it uses less digits than its factorization.

28065741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 28065741 is about 5297.7109207657. The cubic root of 28065741 is about 303.8963642872.

The spelling of 28065741 in words is "twenty-eight million, sixty-five thousand, seven hundred forty-one".