42272403 has 8 divisors (see below), whose sum is σ = 56446416. Its totient is φ = 28140000.

The previous prime is 42272393. The next prime is 42272423. The reversal of 42272403 is 30427224.

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

It is not a de Polignac number, because 42272403 - 2⁵ = 42272371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42272423) 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, 7948 + ... + 12153.

It is an arithmetic number, because the mean of its divisors is an integer number (7055802).

Almost surely, 2^42272403 is an apocalyptic number.

42272403 is a deficient number, since it is larger than the sum of its proper divisors (14174013).

42272403 is a wasteful number, since it uses less digits than its factorization.

42272403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20805.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42272403 is about 6501.7230793075. The cubic root of 42272403 is about 348.3525377770.

Adding to 42272403 its reverse (30427224), we get a palindrome (72699627).

The spelling of 42272403 in words is "forty-two million, two hundred seventy-two thousand, four hundred three".