42329237 has 2 divisors, whose sum is σ = 42329238. Its totient is φ = 42329236.

The previous prime is 42329233. The next prime is 42329249. The reversal of 42329237 is 73292324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34269316 + 8059921 = 5854^2 + 2839^2 .

It is a cyclic number.

It is not a de Polignac number, because 42329237 - 2² = 42329233 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42329233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21164618 + 21164619.

It is an arithmetic number, because the mean of its divisors is an integer number (21164619).

Almost surely, 2^42329237 is an apocalyptic number.

It is an amenable number.

42329237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42329237 is an equidigital number, since it uses as much as digits as its factorization.

42329237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 42329237 is about 6506.0922987612. The cubic root of 42329237 is about 348.5085844381.

The spelling of 42329237 in words is "forty-two million, three hundred twenty-nine thousand, two hundred thirty-seven".