690989702 has 8 divisors (see below), whose sum is σ = 1116214176. Its totient is φ = 318918312.

The previous prime is 690989683. The next prime is 690989731. The reversal of 690989702 is 207989096.

690989702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13288238 + ... + 13288289.

It is an arithmetic number, because the mean of its divisors is an integer number (139526772).

Almost surely, 2^690989702 is an apocalyptic number.

690989702 is a deficient number, since it is larger than the sum of its proper divisors (425224474).

690989702 is a wasteful number, since it uses less digits than its factorization.

690989702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26576542.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 690989702 is about 26286.6829782687. The cubic root of 690989702 is about 884.0778810809.

The spelling of 690989702 in words is "six hundred ninety million, nine hundred eighty-nine thousand, seven hundred two".