70144160 has 24 divisors (see below), whose sum is σ = 165715956. Its totient is φ = 28057600.

The previous prime is 70144157. The next prime is 70144169. The reversal of 70144160 is 6144107.

It can be written as a sum of positive squares in 2 ways, for example, as 64705936 + 5438224 = 8044^2 + 2332^2 .

It is not an unprimeable number, because it can be changed into a prime (70144169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219041 + ... + 219360.

Almost surely, 2^70144160 is an apocalyptic number.

It is an amenable number.

70144160 is an abundant number, since it is smaller than the sum of its proper divisors (95571796).

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

70144160 is a wasteful number, since it uses less digits than its factorization.

70144160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438416 (or 438408 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 70144160 is about 8375.2110421171. The cubic root of 70144160 is about 412.4112524106.

Adding to 70144160 its reverse (6144107), we get a palindrome (76288267).

The spelling of 70144160 in words is "seventy million, one hundred forty-four thousand, one hundred sixty".