42238763 has 4 divisors (see below), whose sum is σ = 48272880. Its totient is φ = 36204648.

The previous prime is 42238753. The next prime is 42238789. The reversal of 42238763 is 36783224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42238763 - 2⁸ = 42238507 is a prime.

It is a super-2 number, since 2×42238763² = 3568226199540338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42238753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3017048 + ... + 3017061.

It is an arithmetic number, because the mean of its divisors is an integer number (12068220).

Almost surely, 2^42238763 is an apocalyptic number.

42238763 is a deficient number, since it is larger than the sum of its proper divisors (6034117).

42238763 is an equidigital number, since it uses as much as digits as its factorization.

42238763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034116.

The product of its digits is 48384, while the sum is 35.

The square root of 42238763 is about 6499.1355579031. The cubic root of 42238763 is about 348.2601079771.

The spelling of 42238763 in words is "forty-two million, two hundred thirty-eight thousand, seven hundred sixty-three".