628075084 has 24 divisors (see below), whose sum is σ = 1352777888. Its totient is φ = 248469120.

The previous prime is 628075079. The next prime is 628075139. The reversal of 628075084 is 480570826.

It is a super-2 number, since 2×628075084² = 788956622283214112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862377 + ... + 863104.

Almost surely, 2^628075084 is an apocalyptic number.

It is an amenable number.

628075084 is an abundant number, since it is smaller than the sum of its proper divisors (724702804).

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

628075084 is a wasteful number, since it uses less digits than its factorization.

628075084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725505 (or 1725503 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 628075084 is about 25061.4262163988. The cubic root of 628075084 is about 856.3878984823.

The spelling of 628075084 in words is "six hundred twenty-eight million, seventy-five thousand, eighty-four".