9947202070 has 32 divisors (see below), whose sum is σ = 19340606880. Its totient is φ = 3661701120.

The previous prime is 9947202011. The next prime is 9947202077. The reversal of 9947202070 is 702027499.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9947202077) 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 15 ways as a sum of consecutive naturals, for example, 72555 + ... + 158614.

It is an arithmetic number, because the mean of its divisors is an integer number (604393965).

Almost surely, 2^9947202070 is an apocalyptic number.

9947202070 is a deficient number, since it is larger than the sum of its proper divisors (9393404810).

9947202070 is a wasteful number, since it uses less digits than its factorization.

9947202070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231520.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 9947202070 is about 99735.6609743977. The cubic root of 9947202070 is about 2150.6363409371.

The spelling of 9947202070 in words is "nine billion, nine hundred forty-seven million, two hundred two thousand, seventy".