628727472 has 30 divisors (see below), whose sum is σ = 1759564092. Its totient is φ = 209575776.

The previous prime is 628727447. The next prime is 628727503. The reversal of 628727472 is 274727826.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2182938 + ... + 2183225.

Almost surely, 2^628727472 is an apocalyptic number.

It is an amenable number.

628727472 is an abundant number, since it is smaller than the sum of its proper divisors (1130836620).

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

628727472 is a wasteful number, since it uses less digits than its factorization.

628727472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366177 (or 4366168 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 628727472 is about 25074.4386178435. The cubic root of 628727472 is about 856.6843088280.

The spelling of 628727472 in words is "six hundred twenty-eight million, seven hundred twenty-seven thousand, four hundred seventy-two".