42735556 has 6 divisors (see below), whose sum is σ = 74787230. Its totient is φ = 21367776.

The previous prime is 42735533. The next prime is 42735599. The reversal of 42735556 is 65553724.

It can be written as a sum of positive squares in only one way, i.e., 30625156 + 12110400 = 5534^2 + 3480^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5341941 + ... + 5341948.

Almost surely, 2^42735556 is an apocalyptic number.

It is an amenable number.

42735556 is a deficient number, since it is larger than the sum of its proper divisors (32051674).

42735556 is a wasteful number, since it uses less digits than its factorization.

42735556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10683893 (or 10683891 counting only the distinct ones).

The product of its digits is 126000, while the sum is 37.

The square root of 42735556 is about 6537.2437617088. The cubic root of 42735556 is about 349.6201484442.

The spelling of 42735556 in words is "forty-two million, seven hundred thirty-five thousand, five hundred fifty-six".