628573365 has 40 divisors (see below), whose sum is σ = 1287749760. Its totient is φ = 287346528.

The previous prime is 628573343. The next prime is 628573397. The reversal of 628573365 is 563375826.

628573365 is a `hidden beast` number, since 6 + 285 + 7 + 3 + 365 = 666.

It is not a de Polignac number, because 628573365 - 2⁶ = 628573301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 628573365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 108025 + ... + 113694.

It is an arithmetic number, because the mean of its divisors is an integer number (32193744).

Almost surely, 2^628573365 is an apocalyptic number.

It is an amenable number.

628573365 is an abundant number, since it is smaller than the sum of its proper divisors (659176395).

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

628573365 is a wasteful number, since it uses less digits than its factorization.

628573365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221743 (or 221734 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 628573365 is about 25071.3654394810. The cubic root of 628573365 is about 856.6143093223.

The spelling of 628573365 in words is "six hundred twenty-eight million, five hundred seventy-three thousand, three hundred sixty-five".