628233007 has 4 divisors (see below), whose sum is σ = 630929520. Its totient is φ = 625536496.

The previous prime is 628232999. The next prime is 628233049. The reversal of 628233007 is 700332826.

628233007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 628233007 - 2³ = 628232999 is a prime.

It is a super-2 number, since 2×628233007² = 789353422168524098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 628233007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628233077) 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, 1347907 + ... + 1348372.

It is an arithmetic number, because the mean of its divisors is an integer number (157732380).

Almost surely, 2^628233007 is an apocalyptic number.

628233007 is a deficient number, since it is larger than the sum of its proper divisors (2696513).

628233007 is a wasteful number, since it uses less digits than its factorization.

628233007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696512.

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

The square root of 628233007 is about 25064.5767369010. The cubic root of 628233007 is about 856.4596691012.

The spelling of 628233007 in words is "six hundred twenty-eight million, two hundred thirty-three thousand, seven".