42570832 has 20 divisors (see below), whose sum is σ = 83087316. Its totient is φ = 21128960.

The previous prime is 42570799. The next prime is 42570883. The reversal of 42570832 is 23807524.

It can be written as a sum of positive squares in 2 ways, for example, as 35473936 + 7096896 = 5956^2 + 2664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42570794 and 42570803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7519 + ... + 11902.

Almost surely, 2^42570832 is an apocalyptic number.

It is an amenable number.

42570832 is a deficient number, since it is larger than the sum of its proper divisors (40516484).

42570832 is a wasteful number, since it uses less digits than its factorization.

42570832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19566 (or 19560 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 42570832 is about 6524.6327099692. The cubic root of 42570832 is about 349.1703669810.

The spelling of 42570832 in words is "forty-two million, five hundred seventy thousand, eight hundred thirty-two".