42269421 has 8 divisors (see below), whose sum is σ = 56399200. Its totient is φ = 28159632.

The previous prime is 42269413. The next prime is 42269431. The reversal of 42269421 is 12496224.

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

It is not a de Polignac number, because 42269421 - 2³ = 42269413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42269431) 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, 951 + ... + 9243.

It is an arithmetic number, because the mean of its divisors is an integer number (7049900).

Almost surely, 2^42269421 is an apocalyptic number.

It is an amenable number.

42269421 is a deficient number, since it is larger than the sum of its proper divisors (14129779).

42269421 is a wasteful number, since it uses less digits than its factorization.

42269421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9995.

The product of its digits is 6912, while the sum is 30.

The square root of 42269421 is about 6501.4937514390. The cubic root of 42269421 is about 348.3443463675.

The spelling of 42269421 in words is "forty-two million, two hundred sixty-nine thousand, four hundred twenty-one".