42750536 has 16 divisors (see below), whose sum is σ = 82112940. Its totient is φ = 20853760.

The previous prime is 42750517. The next prime is 42750541. The reversal of 42750536 is 63505724.

It can be written as a sum of positive squares in 2 ways, for example, as 42328036 + 422500 = 6506^2 + 650^2 .

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, 64841 + ... + 65496.

Almost surely, 2^42750536 is an apocalyptic number.

It is an amenable number.

42750536 is a deficient number, since it is larger than the sum of its proper divisors (39362404).

42750536 is a wasteful number, since it uses less digits than its factorization.

42750536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130384 (or 130380 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 42750536 is about 6538.3894041270. The cubic root of 42750536 is about 349.6609941980.

The spelling of 42750536 in words is "forty-two million, seven hundred fifty thousand, five hundred thirty-six".