42758413 has 4 divisors (see below), whose sum is σ = 42787008. Its totient is φ = 42729820.

The previous prime is 42758407. The next prime is 42758423. The reversal of 42758413 is 31485724.

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 42758413 - 2⁹ = 42757901 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 (42758423) 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, 11923 + ... + 15088.

It is an arithmetic number, because the mean of its divisors is an integer number (10696752).

Almost surely, 2^42758413 is an apocalyptic number.

It is an amenable number.

42758413 is a deficient number, since it is larger than the sum of its proper divisors (28595).

42758413 is a wasteful number, since it uses less digits than its factorization.

42758413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28594.

The product of its digits is 26880, while the sum is 34.

The square root of 42758413 is about 6538.9917418513. The cubic root of 42758413 is about 349.6824684746.

The spelling of 42758413 in words is "forty-two million, seven hundred fifty-eight thousand, four hundred thirteen".