628695723 has 8 divisors (see below), whose sum is σ = 839559168. Its totient is φ = 418481384.

The previous prime is 628695721. The next prime is 628695761. The reversal of 628695723 is 327596826.

628695723 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 cyclic number.

It is not a de Polignac number, because 628695723 - 2¹ = 628695721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (628695721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160011 + ... + 163892.

It is an arithmetic number, because the mean of its divisors is an integer number (104944896).

Almost surely, 2^628695723 is an apocalyptic number.

628695723 is a deficient number, since it is larger than the sum of its proper divisors (210863445).

628695723 is a wasteful number, since it uses less digits than its factorization.

628695723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324553.

The product of its digits is 1088640, while the sum is 48.

The square root of 628695723 is about 25073.8055149193. The cubic root of 628695723 is about 856.6698885218.

The spelling of 628695723 in words is "six hundred twenty-eight million, six hundred ninety-five thousand, seven hundred twenty-three".