42272690 has 16 divisors (see below), whose sum is σ = 77163840. Its totient is φ = 16670640.

The previous prime is 42272687. The next prime is 42272719. The reversal of 42272690 is 9627224.

It is a super-2 number, since 2×42272690² = 3573960639672200, which contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 29060 + ... + 30479.

It is an arithmetic number, because the mean of its divisors is an integer number (4822740).

Almost surely, 2^42272690 is an apocalyptic number.

42272690 is a deficient number, since it is larger than the sum of its proper divisors (34891150).

42272690 is a wasteful number, since it uses less digits than its factorization.

42272690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59617.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 42272690 is about 6501.7451503423. The cubic root of 42272690 is about 348.3533261318.

The spelling of 42272690 in words is "forty-two million, two hundred seventy-two thousand, six hundred ninety".