702106009 has 12 divisors (see below), whose sum is σ = 773485972. Its totient is φ = 636831360.

The previous prime is 702105997. The next prime is 702106019. The reversal of 702106009 is 900601207.

702106009 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 2 ways, for example, as 383376400 + 318729609 = 19580^2 + 17853^2 .

It is a de Polignac number, because none of the positive numbers 2^k-702106009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (702106019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48949 + ... + 61645.

Almost surely, 2^702106009 is an apocalyptic number.

It is an amenable number.

702106009 is a deficient number, since it is larger than the sum of its proper divisors (71379963).

702106009 is a wasteful number, since it uses less digits than its factorization.

702106009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13176 (or 13165 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 702106009 is about 26497.2830493996. The cubic root of 702106009 is about 888.7935549152.

The spelling of 702106009 in words is "seven hundred two million, one hundred six thousand, nine".