42424293 has 8 divisors (see below), whose sum is σ = 56834656. Its totient is φ = 28148400.

The previous prime is 42424289. The next prime is 42424297. The reversal of 42424293 is 39242424.

It is an interprime number because it is at equal distance from previous prime (42424289) and next prime (42424297).

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

It is not a de Polignac number, because 42424293 - 2² = 42424289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42424293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42424297) 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, 32878 + ... + 34143.

It is an arithmetic number, because the mean of its divisors is an integer number (7104332).

Almost surely, 2^42424293 is an apocalyptic number.

It is an amenable number.

42424293 is a deficient number, since it is larger than the sum of its proper divisors (14410363).

42424293 is a wasteful number, since it uses less digits than its factorization.

42424293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67235.

The product of its digits is 13824, while the sum is 30.

The square root of 42424293 is about 6513.3933552335. The cubic root of 42424293 is about 348.7692637193.

The spelling of 42424293 in words is "forty-two million, four hundred twenty-four thousand, two hundred ninety-three".