42261704 has 8 divisors (see below), whose sum is σ = 79240710. Its totient is φ = 21130848.

The previous prime is 42261701. The next prime is 42261707. The reversal of 42261704 is 40716224.

It is an interprime number because it is at equal distance from previous prime (42261701) and next prime (42261707).

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 1684804 = 6370^2 + 1298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42261701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2641349 + ... + 2641364.

Almost surely, 2^42261704 is an apocalyptic number.

It is an amenable number.

42261704 is a deficient number, since it is larger than the sum of its proper divisors (36979006).

42261704 is a wasteful number, since it uses less digits than its factorization.

42261704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5282719 (or 5282715 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42261704 is about 6500.9002453506. The cubic root of 42261704 is about 348.3231463537.

Adding to 42261704 its reverse (40716224), we get a palindrome (82977928).

It can be divided in two parts, 422 and 61704, that added together give a palindrome (62126).

The spelling of 42261704 in words is "forty-two million, two hundred sixty-one thousand, seven hundred four".