70135650 has 144 divisors (see below), whose sum is σ = 213944640. Its totient is φ = 16329600.

The previous prime is 70135627. The next prime is 70135657. The reversal of 70135650 is 5653107.

70135650 is a `hidden beast` number, since 7 + 0 + 1 + 3 + 5 + 650 = 666.

It is not an unprimeable number, because it can be changed into a prime (70135657) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 110835 + ... + 111465.

Almost surely, 2^70135650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70135650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106972320).

70135650 is an abundant number, since it is smaller than the sum of its proper divisors (143808990).

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

70135650 is a wasteful number, since it uses less digits than its factorization.

70135650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 70135650 is about 8374.7029798077. The cubic root of 70135650 is about 412.3945736085.

Adding to 70135650 its reverse (5653107), we get a palindrome (75788757).

The spelling of 70135650 in words is "seventy million, one hundred thirty-five thousand, six hundred fifty".