42570305 has 8 divisors (see below), whose sum is σ = 51327744. Its totient is φ = 33894000.

The previous prime is 42570299. The next prime is 42570323. The reversal of 42570305 is 50307524.

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

It is not a de Polignac number, because 42570305 - 2²² = 38376001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19121 + ... + 21230.

It is an arithmetic number, because the mean of its divisors is an integer number (6415968).

Almost surely, 2^42570305 is an apocalyptic number.

It is an amenable number.

42570305 is a deficient number, since it is larger than the sum of its proper divisors (8757439).

42570305 is a wasteful number, since it uses less digits than its factorization.

42570305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40567.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 42570305 is about 6524.5923244292. The cubic root of 42570305 is about 349.1689261389.

Adding to 42570305 its reverse (50307524), we get a palindrome (92877829).

It can be divided in two parts, 42570 and 305, that added together give a cube (42875 = 35³).

The spelling of 42570305 in words is "forty-two million, five hundred seventy thousand, three hundred five".