688272301 has 4 divisors (see below), whose sum is σ = 688337500. Its totient is φ = 688207104.

The previous prime is 688272269. The next prime is 688272311. The reversal of 688272301 is 103272886.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 163175076 + 525097225 = 12774^2 + 22915^2 .

It is a cyclic number.

It is not a de Polignac number, because 688272301 - 2⁵ = 688272269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688272311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12726 + ... + 39223.

It is an arithmetic number, because the mean of its divisors is an integer number (172084375).

Almost surely, 2^688272301 is an apocalyptic number.

It is an amenable number.

688272301 is a deficient number, since it is larger than the sum of its proper divisors (65199).

688272301 is a wasteful number, since it uses less digits than its factorization.

688272301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65198.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 688272301 is about 26234.9442728587. The cubic root of 688272301 is about 882.9174439836.

The spelling of 688272301 in words is "six hundred eighty-eight million, two hundred seventy-two thousand, three hundred one".