628572 has 36 divisors (see below), whose sum is σ = 1707720. Its totient is φ = 179424.

The previous prime is 628561. The next prime is 628583. The reversal of 628572 is 275826.

It is an interprime number because it is at equal distance from previous prime (628561) and next prime (628583).

It is a d-powerful number, because it can be written as 6⁷ + 2¹⁰ + 5⁵ + 8⁶ + 7⁵ + 2¹⁶ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54 + ... + 1122.

2⁶²⁸⁵⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853860).

628572 is an abundant number, since it is smaller than the sum of its proper divisors (1079148).

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

628572 is a wasteful number, since it uses less digits than its factorization.

628572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1081 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 628572 is about 792.8253275470. The cubic root of 628572 is about 85.6613689252.

The spelling of 628572 in words is "six hundred twenty-eight thousand, five hundred seventy-two".