42928275 has 24 divisors (see below), whose sum is σ = 76436080. Its totient is φ = 21133440.

The previous prime is 42928261. The next prime is 42928283. The reversal of 42928275 is 57282924.

It is not a de Polignac number, because 42928275 - 2⁸ = 42928019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 21040 + ... + 22989.

Almost surely, 2^42928275 is an apocalyptic number.

42928275 is a deficient number, since it is larger than the sum of its proper divisors (33507805).

42928275 is a wasteful number, since it uses less digits than its factorization.

42928275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44055 (or 44050 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 42928275 is about 6551.9672618230. The cubic root of 42928275 is about 350.1449059846.

The spelling of 42928275 in words is "forty-two million, nine hundred twenty-eight thousand, two hundred seventy-five".