42361791 has 12 divisors (see below), whose sum is σ = 59047128. Its totient is φ = 27012304.

The previous prime is 42361777. The next prime is 42361793. The reversal of 42361791 is 19716324.

It is not a de Polignac number, because 42361791 - 2¹⁰ = 42360767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42361793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11760 + ... + 14933.

It is an arithmetic number, because the mean of its divisors is an integer number (4920594).

Almost surely, 2^42361791 is an apocalyptic number.

42361791 is a deficient number, since it is larger than the sum of its proper divisors (16685337).

42361791 is a wasteful number, since it uses less digits than its factorization.

42361791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26742 (or 26719 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 42361791 is about 6508.5936268905. The cubic root of 42361791 is about 348.5979036420.

The spelling of 42361791 in words is "forty-two million, three hundred sixty-one thousand, seven hundred ninety-one".