42757250 has 16 divisors (see below), whose sum is σ = 80042040. Its totient is φ = 17102800.

The previous prime is 42757243. The next prime is 42757271. The reversal of 42757250 is 5275724.

42757250 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 11363641 + 31393609 = 3371^2 + 5603^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85265 + ... + 85764.

Almost surely, 2^42757250 is an apocalyptic number.

42757250 is a deficient number, since it is larger than the sum of its proper divisors (37284790).

42757250 is a wasteful number, since it uses less digits than its factorization.

42757250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171046 (or 171036 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 42757250 is about 6538.9028131637. The cubic root of 42757250 is about 349.6792980701.

The spelling of 42757250 in words is "forty-two million, seven hundred fifty-seven thousand, two hundred fifty".