628720302 has 16 divisors (see below), whose sum is σ = 1437075072. Its totient is φ = 179634360.

The previous prime is 628720289. The next prime is 628720307. The reversal of 628720302 is 203027826.

628720302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 628720302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628720307) 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, 7484724 + ... + 7484807.

It is an arithmetic number, because the mean of its divisors is an integer number (89817192).

Almost surely, 2^628720302 is an apocalyptic number.

628720302 is an abundant number, since it is smaller than the sum of its proper divisors (808354770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628720302 is a wasteful number, since it uses less digits than its factorization.

628720302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14969543.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 628720302 is about 25074.2956431482. The cubic root of 628720302 is about 856.6810522767.

The spelling of 628720302 in words is "six hundred twenty-eight million, seven hundred twenty thousand, three hundred two".