9702236090 has 16 divisors (see below), whose sum is σ = 18491320872. Its totient is φ = 3652606464.

The previous prime is 9702236087. The next prime is 9702236153. The reversal of 9702236090 is 906322079.

9702236090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7124541649 + 2577694441 = 84407^2 + 50771^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28535819 + ... + 28536158.

Almost surely, 2^9702236090 is an apocalyptic number.

9702236090 is a deficient number, since it is larger than the sum of its proper divisors (8789084782).

9702236090 is a wasteful number, since it uses less digits than its factorization.

9702236090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57072001.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 9702236090 is about 98499.9293908376. The cubic root of 9702236090 is about 2132.8351007438.

The spelling of 9702236090 in words is "nine billion, seven hundred two million, two hundred thirty-six thousand, ninety".