42131793 has 8 divisors (see below), whose sum is σ = 61282656. Its totient is φ = 25534400.

The previous prime is 42131779. The next prime is 42131807. The reversal of 42131793 is 39713124.

It is an interprime number because it is at equal distance from previous prime (42131779) and next prime (42131807).

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

It is a cyclic number.

It is not a de Polignac number, because 42131793 - 2⁴ = 42131777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42131793.

It is not an unprimeable number, because it can be changed into a prime (42131743) 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, 638328 + ... + 638393.

It is an arithmetic number, because the mean of its divisors is an integer number (7660332).

Almost surely, 2^42131793 is an apocalyptic number.

It is an amenable number.

42131793 is a deficient number, since it is larger than the sum of its proper divisors (19150863).

42131793 is a wasteful number, since it uses less digits than its factorization.

42131793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276735.

The product of its digits is 4536, while the sum is 30.

The square root of 42131793 is about 6490.9007849450. The cubic root of 42131793 is about 347.9658689607.

It can be divided in two parts, 42131 and 793, that added together give a palindrome (42924).

The spelling of 42131793 in words is "forty-two million, one hundred thirty-one thousand, seven hundred ninety-three".