70705050 has 96 divisors (see below), whose sum is σ = 191237760. Its totient is φ = 17184000.

The previous prime is 70705031. The next prime is 70705051. The reversal of 70705050 is 5050707.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70705050.

It is not an unprimeable number, because it can be changed into a prime (70705051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196771 + ... + 197129.

It is an arithmetic number, because the mean of its divisors is an integer number (1992060).

Almost surely, 2^70705050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70705050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95618880).

70705050 is an abundant number, since it is smaller than the sum of its proper divisors (120532710).

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

70705050 is a wasteful number, since it uses less digits than its factorization.

70705050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 24.

The square root of 70705050 is about 8408.6294959405. The cubic root of 70705050 is about 413.5075827631.

Adding to 70705050 its reverse (5050707), we get a palindrome (75755757).

The spelling of 70705050 in words is "seventy million, seven hundred five thousand, fifty".