7140250 has 40 divisors (see below), whose sum is σ = 14480388. Its totient is φ = 2636400.

The previous prime is 7140247. The next prime is 7140251. The reversal of 7140250 is 520417.

It can be written as a sum of positive squares in 10 ways, for example, as 6901129 + 239121 = 2627^2 + 489^2 .

It is not an unprimeable number, because it can be changed into a prime (7140251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 549244 + ... + 549256.

Almost surely, 2^7140250 is an apocalyptic number.

7140250 is an abundant number, since it is smaller than the sum of its proper divisors (7340138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7140250 is an frugal number, since it uses more digits than its factorization.

7140250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 20 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 7140250 is about 2672.1246228423. The cubic root of 7140250 is about 192.5622444465.

Adding to 7140250 its reverse (520417), we get a palindrome (7660667).

The spelling of 7140250 in words is "seven million, one hundred forty thousand, two hundred fifty".