42235742 has 4 divisors (see below), whose sum is σ = 63353616. Its totient is φ = 21117870.

The previous prime is 42235741. The next prime is 42235777. The reversal of 42235742 is 24753224.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42235741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10558934 + ... + 10558937.

It is an arithmetic number, because the mean of its divisors is an integer number (15838404).

Almost surely, 2^42235742 is an apocalyptic number.

42235742 is a deficient number, since it is larger than the sum of its proper divisors (21117874).

42235742 is a wasteful number, since it uses less digits than its factorization.

42235742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21117873.

The product of its digits is 13440, while the sum is 29.

The square root of 42235742 is about 6498.9031382226. The cubic root of 42235742 is about 348.2518050282.

Adding to 42235742 its reverse (24753224), we get a palindrome (66988966).

The spelling of 42235742 in words is "forty-two million, two hundred thirty-five thousand, seven hundred forty-two".