42248773 has 4 divisors (see below), whose sum is σ = 48284320. Its totient is φ = 36213228.

The previous prime is 42248771. The next prime is 42248777. The reversal of 42248773 is 37784224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42248773 - 2¹ = 42248771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42248771) 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, 3017763 + ... + 3017776.

It is an arithmetic number, because the mean of its divisors is an integer number (12071080).

Almost surely, 2^42248773 is an apocalyptic number.

It is an amenable number.

42248773 is a deficient number, since it is larger than the sum of its proper divisors (6035547).

42248773 is an equidigital number, since it uses as much as digits as its factorization.

42248773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035546.

The product of its digits is 75264, while the sum is 37.

The square root of 42248773 is about 6499.9056146993. The cubic root of 42248773 is about 348.2876167399.

The spelling of 42248773 in words is "forty-two million, two hundred forty-eight thousand, seven hundred seventy-three".