42839270 has 16 divisors (see below), whose sum is σ = 78198048. Its totient is φ = 16894080.

The previous prime is 42839267. The next prime is 42839273. The reversal of 42839270 is 7293824.

It is an interprime number because it is at equal distance from previous prime (42839267) and next prime (42839273).

It is a self number, because there is not a number n which added to its sum of digits gives 42839270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42839273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29459 + ... + 30878.

It is an arithmetic number, because the mean of its divisors is an integer number (4887378).

Almost surely, 2^42839270 is an apocalyptic number.

42839270 is a deficient number, since it is larger than the sum of its proper divisors (35358778).

42839270 is a wasteful number, since it uses less digits than its factorization.

42839270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60415.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 42839270 is about 6545.1715027186. The cubic root of 42839270 is about 349.9027484903.

The spelling of 42839270 in words is "forty-two million, eight hundred thirty-nine thousand, two hundred seventy".