42070250 has 16 divisors (see below), whose sum is σ = 78755976. Its totient is φ = 16828000.

The previous prime is 42070241. The next prime is 42070253. The reversal of 42070250 is 5207024.

It can be written as a sum of positive squares in 4 ways, for example, as 19193161 + 22877089 = 4381^2 + 4783^2 .

It is not an unprimeable number, because it can be changed into a prime (42070253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83891 + ... + 84390.

Almost surely, 2^42070250 is an apocalyptic number.

42070250 is a deficient number, since it is larger than the sum of its proper divisors (36685726).

42070250 is a wasteful number, since it uses less digits than its factorization.

42070250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168298 (or 168288 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 42070250 is about 6486.1583391095. The cubic root of 42070250 is about 347.7963588157.

Adding to 42070250 its reverse (5207024), we get a palindrome (47277274).

The spelling of 42070250 in words is "forty-two million, seventy thousand, two hundred fifty".