42272985 has 16 divisors (see below), whose sum is σ = 67745664. Its totient is φ = 22509312.

The previous prime is 42272963. The next prime is 42273001. The reversal of 42272985 is 58927224.

It is not a de Polignac number, because 42272985 - 2⁶ = 42272921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9249 + ... + 13041.

It is an arithmetic number, because the mean of its divisors is an integer number (4234104).

Almost surely, 2^42272985 is an apocalyptic number.

It is an amenable number.

42272985 is a deficient number, since it is larger than the sum of its proper divisors (25472679).

42272985 is a wasteful number, since it uses less digits than its factorization.

42272985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544.

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

The square root of 42272985 is about 6501.7678365195. The cubic root of 42272985 is about 348.3541364579.

The spelling of 42272985 in words is "forty-two million, two hundred seventy-two thousand, nine hundred eighty-five".