70005700 has 18 divisors (see below), whose sum is σ = 151912586. Its totient is φ = 28002240.

The previous prime is 70005659. The next prime is 70005707. The reversal of 70005700 is 750007.

It can be written as a sum of positive squares in 3 ways, for example, as 1016064 + 68989636 = 1008^2 + 8306^2 .

It is not an unprimeable number, because it can be changed into a prime (70005707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 349929 + ... + 350128.

Almost surely, 2^70005700 is an apocalyptic number.

It is an amenable number.

70005700 is an abundant number, since it is smaller than the sum of its proper divisors (81906886).

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

70005700 is a wasteful number, since it uses less digits than its factorization.

70005700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700071 (or 700064 counting only the distinct ones).

The product of its (nonzero) digits is 245, while the sum is 19.

The square root of 70005700 is about 8366.9408985602. The cubic root of 70005700 is about 412.1397160231.

Adding to 70005700 its reverse (750007), we get a palindrome (70755707).

The spelling of 70005700 in words is "seventy million, five thousand, seven hundred".