628023073 has 8 divisors (see below), whose sum is σ = 655581888. Its totient is φ = 600485424.

The previous prime is 628023059. The next prime is 628023091. The reversal of 628023073 is 370320826.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628023073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628020073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101011 + ... + 107047.

It is an arithmetic number, because the mean of its divisors is an integer number (81947736).

Almost surely, 2^628023073 is an apocalyptic number.

It is an amenable number.

628023073 is a deficient number, since it is larger than the sum of its proper divisors (27558815).

628023073 is a wasteful number, since it uses less digits than its factorization.

628023073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 628023073 is about 25060.3885245221. The cubic root of 628023073 is about 856.3642586226.

Adding to 628023073 its reverse (370320826), we get a palindrome (998343899).

The spelling of 628023073 in words is "six hundred twenty-eight million, twenty-three thousand, seventy-three".