42870342 has 16 divisors (see below), whose sum is σ = 85892400. Its totient is φ = 14264832.

The previous prime is 42870313. The next prime is 42870343. The reversal of 42870342 is 24307824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42870343) 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, 2467 + ... + 9582.

It is an arithmetic number, because the mean of its divisors is an integer number (5368275).

Almost surely, 2^42870342 is an apocalyptic number.

42870342 is an abundant number, since it is smaller than the sum of its proper divisors (43022058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42870342 is a wasteful number, since it uses less digits than its factorization.

42870342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12647.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 42870342 is about 6547.5447306605. The cubic root of 42870342 is about 349.9873247110.

The spelling of 42870342 in words is "forty-two million, eight hundred seventy thousand, three hundred forty-two".