70716140 has 48 divisors (see below), whose sum is σ = 163344384. Its totient is φ = 25502400.

The previous prime is 70716133. The next prime is 70716167. The reversal of 70716140 is 4161707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26675 + ... + 29205.

It is an arithmetic number, because the mean of its divisors is an integer number (3403008).

Almost surely, 2^70716140 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 70716140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81672192).

70716140 is an abundant number, since it is smaller than the sum of its proper divisors (92628244).

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

70716140 is a wasteful number, since it uses less digits than its factorization.

70716140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 70716140 is about 8409.2889116738. The cubic root of 70716140 is about 413.5292010178.

Adding to 70716140 its reverse (4161707), we get a palindrome (74877847).

The spelling of 70716140 in words is "seventy million, seven hundred sixteen thousand, one hundred forty".