628824073 has 4 divisors (see below), whose sum is σ = 629202960. Its totient is φ = 628445188.

The previous prime is 628824061. The next prime is 628824083. The reversal of 628824073 is 370428826.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 628824073 - 2¹³ = 628815881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628824083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186943 + ... + 190276.

It is an arithmetic number, because the mean of its divisors is an integer number (157300740).

Almost surely, 2^628824073 is an apocalyptic number.

It is an amenable number.

628824073 is a deficient number, since it is larger than the sum of its proper divisors (378887).

628824073 is a wasteful number, since it uses less digits than its factorization.

628824073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378886.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 628824073 is about 25076.3648282601. The cubic root of 628824073 is about 856.7281817441.

The spelling of 628824073 in words is "six hundred twenty-eight million, eight hundred twenty-four thousand, seventy-three".