42699 has 8 divisors (see below), whose sum is σ = 58432. Its totient is φ = 27720.

The previous prime is 42697. The next prime is 42701. The reversal of 42699 is 99624.

It is an interprime number because it is at equal distance from previous prime (42697) and next prime (42701).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42699 - 2¹ = 42697 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (42697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37 + ... + 294.

It is an arithmetic number, because the mean of its divisors is an integer number (7304).

2⁴²⁶⁹⁹ is an apocalyptic number.

42699 is a deficient number, since it is larger than the sum of its proper divisors (15733).

42699 is a wasteful number, since it uses less digits than its factorization.

42699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377.

The product of its digits is 3888, while the sum is 30.

The square root of 42699 is about 206.6373635140. The cubic root of 42699 is about 34.9520431633.

It can be divided in two parts, 4269 and 9, that added together give a triangular number (4278 = T₉₂).

The spelling of 42699 in words is "forty-two thousand, six hundred ninety-nine".