42092709 has 8 divisors (see below), whose sum is σ = 56213472. Its totient is φ = 28016880.

The previous prime is 42092707. The next prime is 42092711. The reversal of 42092709 is 90729024.

It is an interprime number because it is at equal distance from previous prime (42092707) and next prime (42092711).

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

It is not a de Polignac number, because 42092709 - 2¹ = 42092707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42092709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42092707) 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, 8982 + ... + 12839.

It is an arithmetic number, because the mean of its divisors is an integer number (7026684).

Almost surely, 2^42092709 is an apocalyptic number.

It is an amenable number.

42092709 is a deficient number, since it is larger than the sum of its proper divisors (14120763).

42092709 is a wasteful number, since it uses less digits than its factorization.

42092709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22467.

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

The square root of 42092709 is about 6487.8894102782. The cubic root of 42092709 is about 347.8582376085.

The spelling of 42092709 in words is "forty-two million, ninety-two thousand, seven hundred nine".