42576393 has 4 divisors (see below), whose sum is σ = 56768528. Its totient is φ = 28384260.

The previous prime is 42576371. The next prime is 42576421. The reversal of 42576393 is 39367524.

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 not a de Polignac number, because 42576393 - 2¹⁷ = 42445321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42576293) 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, 7096063 + ... + 7096068.

It is an arithmetic number, because the mean of its divisors is an integer number (14192132).

Almost surely, 2^42576393 is an apocalyptic number.

It is an amenable number.

42576393 is a deficient number, since it is larger than the sum of its proper divisors (14192135).

42576393 is a wasteful number, since it uses less digits than its factorization.

42576393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14192134.

The product of its digits is 136080, while the sum is 39.

The square root of 42576393 is about 6525.0588503093. The cubic root of 42576393 is about 349.1855702848.

The spelling of 42576393 in words is "forty-two million, five hundred seventy-six thousand, three hundred ninety-three".