28067090 has 32 divisors (see below), whose sum is σ = 53581824. Its totient is φ = 10566720.

The previous prime is 28067087. The next prime is 28067093. The reversal of 28067090 is 9076082.

It is an interprime number because it is at equal distance from previous prime (28067087) and next prime (28067093).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28067093) 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, 10247 + ... + 12693.

It is an arithmetic number, because the mean of its divisors is an integer number (1674432).

Almost surely, 2^28067090 is an apocalyptic number.

28067090 is a deficient number, since it is larger than the sum of its proper divisors (25514734).

28067090 is a wasteful number, since it uses less digits than its factorization.

28067090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 28067090 is about 5297.8382383761. The cubic root of 28067090 is about 303.9012332082.

The spelling of 28067090 in words is "twenty-eight million, sixty-seven thousand, ninety".