70140160 has 72 divisors (see below), whose sum is σ = 172664856. Its totient is φ = 27279360.

The previous prime is 70140139. The next prime is 70140163. The reversal of 70140160 is 6104107.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16908544 + 53231616 = 4112^2 + 7296^2 .

It is not an unprimeable number, because it can be changed into a prime (70140163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46620 + ... + 48100.

It is an arithmetic number, because the mean of its divisors is an integer number (2398123).

Almost surely, 2^70140160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70140160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86332428).

70140160 is an abundant number, since it is smaller than the sum of its proper divisors (102524696).

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

70140160 is a wasteful number, since it uses less digits than its factorization.

70140160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 70140160 is about 8374.9722387600. The cubic root of 70140160 is about 412.4034129537.

Adding to 70140160 its reverse (6104107), we get a palindrome (76244267).

The spelling of 70140160 in words is "seventy million, one hundred forty thousand, one hundred sixty".