42700250 has 16 divisors (see below), whose sum is σ = 79935336. Its totient is φ = 17080000.

The previous prime is 42700249. The next prime is 42700261. The reversal of 42700250 is 5200724.

It can be written as a sum of positive squares in 4 ways, for example, as 18601969 + 24098281 = 4313^2 + 4909^2 .

It is a super-2 number, since 2×42700250² = 3646622700125000, which contains 22 as substring.

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, 85151 + ... + 85650.

Almost surely, 2^42700250 is an apocalyptic number.

42700250 is a deficient number, since it is larger than the sum of its proper divisors (37235086).

42700250 is a wasteful number, since it uses less digits than its factorization.

42700250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170818 (or 170808 counting only the distinct ones).

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

The square root of 42700250 is about 6534.5428302216. The cubic root of 42700250 is about 349.5238423007.

Adding to 42700250 its reverse (5200724), we get a palindrome (47900974).

The spelling of 42700250 in words is "forty-two million, seven hundred thousand, two hundred fifty".