42629 has 4 divisors (see below), whose sum is σ = 43584. Its totient is φ = 41676.

The previous prime is 42611. The next prime is 42641. The reversal of 42629 is 92624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42629 - 2⁸ = 42373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407 + ... + 500.

It is an arithmetic number, because the mean of its divisors is an integer number (10896).

2⁴²⁶²⁹ is an apocalyptic number.

It is an amenable number.

42629 is a deficient number, since it is larger than the sum of its proper divisors (955).

42629 is an equidigital number, since it uses as much as digits as its factorization.

42629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its digits is 864, while the sum is 23.

The square root of 42629 is about 206.4679151830. The cubic root of 42629 is about 34.9329327920.

The spelling of 42629 in words is "forty-two thousand, six hundred twenty-nine".