42576229 has 4 divisors (see below), whose sum is σ = 43297920. Its totient is φ = 41854540.

The previous prime is 42576227. The next prime is 42576241. The reversal of 42576229 is 92267524.

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 42576229 - 2¹ = 42576227 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 (42576221) 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, 360757 + ... + 360874.

It is an arithmetic number, because the mean of its divisors is an integer number (10824480).

Almost surely, 2^42576229 is an apocalyptic number.

It is an amenable number.

42576229 is a deficient number, since it is larger than the sum of its proper divisors (721691).

42576229 is an equidigital number, since it uses as much as digits as its factorization.

42576229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721690.

The product of its digits is 60480, while the sum is 37.

The square root of 42576229 is about 6525.0462833608. The cubic root of 42576229 is about 349.1851219416.

The spelling of 42576229 in words is "forty-two million, five hundred seventy-six thousand, two hundred twenty-nine".