42939735 has 32 divisors (see below), whose sum is σ = 72741888. Its totient is φ = 21584640.

The previous prime is 42939733. The next prime is 42939737. The reversal of 42939735 is 53793924.

It is an interprime number because it is at equal distance from previous prime (42939733) and next prime (42939737).

It is not a de Polignac number, because 42939735 - 2¹ = 42939733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42939733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23619 + ... + 25371.

It is an arithmetic number, because the mean of its divisors is an integer number (2273184).

Almost surely, 2^42939735 is an apocalyptic number.

42939735 is a deficient number, since it is larger than the sum of its proper divisors (29802153).

42939735 is a wasteful number, since it uses less digits than its factorization.

42939735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855.

The product of its digits is 204120, while the sum is 42.

The square root of 42939735 is about 6552.8417499586. The cubic root of 42939735 is about 350.1760610807.

It can be divided in two parts, 4293 and 9735, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 42939735 in words is "forty-two million, nine hundred thirty-nine thousand, seven hundred thirty-five".