42070852 has 24 divisors (see below), whose sum is σ = 78533280. Its totient is φ = 19651200.

The previous prime is 42070829. The next prime is 42070859. The reversal of 42070852 is 25807024.

It is a self number, because there is not a number n which added to its sum of digits gives 42070852.

It is not an unprimeable number, because it can be changed into a prime (42070859) by changing a digit.

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, 7227 + ... + 11677.

It is an arithmetic number, because the mean of its divisors is an integer number (3272220).

Almost surely, 2^42070852 is an apocalyptic number.

It is an amenable number.

42070852 is a deficient number, since it is larger than the sum of its proper divisors (36462428).

42070852 is a wasteful number, since it uses less digits than its factorization.

42070852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 42070852 is about 6486.2047454579. The cubic root of 42070852 is about 347.7980177267.

Adding to 42070852 its reverse (25807024), we get a palindrome (67877876).

The spelling of 42070852 in words is "forty-two million, seventy thousand, eight hundred fifty-two".