201689702 has 4 divisors (see below), whose sum is σ = 302534556. Its totient is φ = 100844850.

The previous prime is 201689699. The next prime is 201689743. The reversal of 201689702 is 207986102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50422424 + ... + 50422427.

It is an arithmetic number, because the mean of its divisors is an integer number (75633639).

Almost surely, 2^201689702 is an apocalyptic number.

201689702 is a deficient number, since it is larger than the sum of its proper divisors (100844854).

201689702 is a wasteful number, since it uses less digits than its factorization.

201689702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100844853.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 201689702 is about 14201.7499625926. The cubic root of 201689702 is about 586.4458375285.

The spelling of 201689702 in words is "two hundred one million, six hundred eighty-nine thousand, seven hundred two".