42288793 has 4 divisors (see below), whose sum is σ = 42318720. Its totient is φ = 42258868.

The previous prime is 42288787. The next prime is 42288803. The reversal of 42288793 is 39788224.

It is a happy number.

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 42288793 - 2⁵ = 42288761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42288703) 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, 12733 + ... + 15706.

It is an arithmetic number, because the mean of its divisors is an integer number (10579680).

Almost surely, 2^42288793 is an apocalyptic number.

It is an amenable number.

42288793 is a deficient number, since it is larger than the sum of its proper divisors (29927).

42288793 is a wasteful number, since it uses less digits than its factorization.

42288793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29926.

The product of its digits is 193536, while the sum is 43.

The square root of 42288793 is about 6502.9833922593. The cubic root of 42288793 is about 348.3975534370.

The spelling of 42288793 in words is "forty-two million, two hundred eighty-eight thousand, seven hundred ninety-three".