628102272 has 64 divisors (see below), whose sum is σ = 1906747200. Its totient is φ = 179457024.

The previous prime is 628102261. The next prime is 628102273. The reversal of 628102272 is 272201826.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (628102273) 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, 114147 + ... + 119522.

It is an arithmetic number, because the mean of its divisors is an integer number (29792925).

Almost surely, 2^628102272 is an apocalyptic number.

It is an amenable number.

628102272 is an abundant number, since it is smaller than the sum of its proper divisors (1278644928).

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

628102272 is a wasteful number, since it uses less digits than its factorization.

628102272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233693 (or 233681 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 628102272 is about 25061.9686377587. The cubic root of 628102272 is about 856.4002553585.

The spelling of 628102272 in words is "six hundred twenty-eight million, one hundred two thousand, two hundred seventy-two".