42939710 has 32 divisors (see below), whose sum is σ = 86383584. Its totient is φ = 15232000.

The previous prime is 42939707. The next prime is 42939733. The reversal of 42939710 is 1793924.

It is a congruent number.

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, 251 + ... + 9270.

It is an arithmetic number, because the mean of its divisors is an integer number (2699487).

Almost surely, 2^42939710 is an apocalyptic number.

42939710 is an abundant number, since it is smaller than the sum of its proper divisors (43443874).

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

42939710 is a wasteful number, since it uses less digits than its factorization.

42939710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 42939710 is about 6552.8398423889. The cubic root of 42939710 is about 350.1759931219.

The spelling of 42939710 in words is "forty-two million, nine hundred thirty-nine thousand, seven hundred ten".