3000075 has 48 divisors (see below), whose sum is σ = 5687136. Its totient is φ = 1382400.

The previous prime is 3000073. The next prime is 3000077. The reversal of 3000075 is 5700003.

It is an interprime number because it is at equal distance from previous prime (3000073) and next prime (3000077).

It is not a de Polignac number, because 3000075 - 2¹ = 3000073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

3000075 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16485 + ... + 16665.

It is an arithmetic number, because the mean of its divisors is an integer number (118482).

Almost surely, 2^3000075 is an apocalyptic number.

3000075 is a deficient number, since it is larger than the sum of its proper divisors (2687061).

3000075 is a wasteful number, since it uses less digits than its factorization.

3000075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 15.

The square root of 3000075 is about 1732.0724580687. The cubic root of 3000075 is about 144.2261588954.

Adding to 3000075 its reverse (5700003), we get a palindrome (8700078).

It can be divided in two parts, 30000 and 75, that multiplied together give a square (2250000 = 1500²).

The spelling of 3000075 in words is "three million, seventy-five", and thus it is an aban number and an uban number.