42287773 has 4 divisors (see below), whose sum is σ = 46132128. Its totient is φ = 38443420.

The previous prime is 42287767. The next prime is 42287779. The reversal of 42287773 is 37778224.

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 an interprime number because it is at equal distance from previous prime (42287767) and next prime (42287779).

It is a cyclic number.

It is not a de Polignac number, because 42287773 - 2⁵ = 42287741 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 (42287779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922161 + ... + 1922182.

It is an arithmetic number, because the mean of its divisors is an integer number (11533032).

Almost surely, 2^42287773 is an apocalyptic number.

It is an amenable number.

42287773 is a deficient number, since it is larger than the sum of its proper divisors (3844355).

42287773 is a wasteful number, since it uses less digits than its factorization.

42287773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844354.

The product of its digits is 131712, while the sum is 40.

The square root of 42287773 is about 6502.9049662439. The cubic root of 42287773 is about 348.3947523137.

The spelling of 42287773 in words is "forty-two million, two hundred eighty-seven thousand, seven hundred seventy-three".