28765067 has 8 divisors (see below), whose sum is σ = 29801520. Its totient is φ = 27744640.

The previous prime is 28765057. The next prime is 28765073. The reversal of 28765067 is 76056782.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28765067 - 2⁸ = 28764811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28765007) 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, 293 + ... + 7590.

It is an arithmetic number, because the mean of its divisors is an integer number (3725190).

Almost surely, 2^28765067 is an apocalyptic number.

28765067 is a deficient number, since it is larger than the sum of its proper divisors (1036453).

28765067 is an equidigital number, since it uses as much as digits as its factorization.

28765067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8013.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 28765067 is about 5363.3074683445. The cubic root of 28765067 is about 306.3997900034.

The spelling of 28765067 in words is "twenty-eight million, seven hundred sixty-five thousand, sixty-seven".