42287632 has 20 divisors (see below), whose sum is σ = 82177900. Its totient is φ = 21080448.

The previous prime is 42287629. The next prime is 42287657. The reversal of 42287632 is 23678224.

It can be written as a sum of positive squares in 2 ways, for example, as 38738176 + 3549456 = 6224^2 + 1884^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798 + ... + 9370.

It is an arithmetic number, because the mean of its divisors is an integer number (4108895).

Almost surely, 2^42287632 is an apocalyptic number.

It is an amenable number.

42287632 is a deficient number, since it is larger than the sum of its proper divisors (39890268).

42287632 is a wasteful number, since it uses less digits than its factorization.

42287632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7930 (or 7924 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 42287632 is about 6502.8941249262. The cubic root of 42287632 is about 348.3943650961.

The spelling of 42287632 in words is "forty-two million, two hundred eighty-seven thousand, six hundred thirty-two".