42550672 has 20 divisors (see below), whose sum is σ = 83795356. Its totient is φ = 20926080.

The previous prime is 42550649. The next prime is 42550687. The reversal of 42550672 is 27605524.

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 41783296 = 876^2 + 6464^2 .

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, 20823 + ... + 22774.

Almost surely, 2^42550672 is an apocalyptic number.

It is an amenable number.

42550672 is a deficient number, since it is larger than the sum of its proper divisors (41244684).

42550672 is a wasteful number, since it uses less digits than its factorization.

42550672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43666 (or 43660 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 42550672 is about 6523.0876124731. The cubic root of 42550672 is about 349.1152401431.

The spelling of 42550672 in words is "forty-two million, five hundred fifty thousand, six hundred seventy-two".