628074 has 20 divisors (see below), whose sum is σ = 1407714. Its totient is φ = 209304.

The previous prime is 628063. The next prime is 628093. The reversal of 628074 is 470826.

628074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 585225 + 42849 = 765^2 + 207^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1777 + ... + 2100.

2⁶²⁸⁰⁷⁴ is an apocalyptic number.

628074 is an abundant number, since it is smaller than the sum of its proper divisors (779640).

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

628074 is a wasteful number, since it uses less digits than its factorization.

628074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891 (or 3882 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 628074 is about 792.5111986590. The cubic root of 628074 is about 85.6387405800.

The spelling of 628074 in words is "six hundred twenty-eight thousand, seventy-four".