42935738 has 4 divisors (see below), whose sum is σ = 64403610. Its totient is φ = 21467868.

The previous prime is 42935731. The next prime is 42935749. The reversal of 42935738 is 83753924.

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

It can be written as a sum of positive squares in only one way, i.e., 35844169 + 7091569 = 5987^2 + 2663^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42935695 and 42935704.

It is not an unprimeable number, because it can be changed into a prime (42935731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10733933 + ... + 10733936.

Almost surely, 2^42935738 is an apocalyptic number.

42935738 is a deficient number, since it is larger than the sum of its proper divisors (21467872).

42935738 is a wasteful number, since it uses less digits than its factorization.

42935738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21467871.

The product of its digits is 181440, while the sum is 41.

The square root of 42935738 is about 6552.5367606752. The cubic root of 42935738 is about 350.1651954870.

The spelling of 42935738 in words is "forty-two million, nine hundred thirty-five thousand, seven hundred thirty-eight".