42731050 has 12 divisors (see below), whose sum is σ = 79479846. Its totient is φ = 17092400.

The previous prime is 42731011. The next prime is 42731083. The reversal of 42731050 is 5013724.

It can be written as a sum of positive squares in 3 ways, for example, as 19527561 + 23203489 = 4419^2 + 4817^2 .

It is a super-3 number, since 3×42731050³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 427261 + ... + 427360.

Almost surely, 2^42731050 is an apocalyptic number.

42731050 is a deficient number, since it is larger than the sum of its proper divisors (36748796).

42731050 is a wasteful number, since it uses less digits than its factorization.

42731050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854633 (or 854628 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 42731050 is about 6536.8991119643. The cubic root of 42731050 is about 349.6078601304.

Adding to 42731050 its reverse (5013724), we get a palindrome (47744774).

The spelling of 42731050 in words is "forty-two million, seven hundred thirty-one thousand, fifty".