70140250 has 16 divisors (see below), whose sum is σ = 131303016. Its totient is φ = 28056000.

The previous prime is 70140247. The next prime is 70140263. The reversal of 70140250 is 5204107.

It can be written as a sum of positive squares in 4 ways, for example, as 2621161 + 67519089 = 1619^2 + 8217^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140031 + ... + 140530.

Almost surely, 2^70140250 is an apocalyptic number.

70140250 is a deficient number, since it is larger than the sum of its proper divisors (61162766).

70140250 is a wasteful number, since it uses less digits than its factorization.

70140250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280578 (or 280568 counting only the distinct ones).

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

The square root of 70140250 is about 8374.9776119104. The cubic root of 70140250 is about 412.4035893447.

Adding to 70140250 its reverse (5204107), we get a palindrome (75344357).

The spelling of 70140250 in words is "seventy million, one hundred forty thousand, two hundred fifty".