629712 has 30 divisors (see below), whose sum is σ = 1762722. Its totient is φ = 209856.

The previous prime is 629711. The next prime is 629723. The reversal of 629712 is 217926.

629712 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., 553536 + 76176 = 744^2 + 276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2043 + ... + 2330.

2⁶²⁹⁷¹² is an apocalyptic number.

It is an amenable number.

629712 is an abundant number, since it is smaller than the sum of its proper divisors (1133010).

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

629712 is a wasteful number, since it uses less digits than its factorization.

629712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387 (or 4378 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 629712 is about 793.5439496335. The cubic root of 629712 is about 85.7131237938.

The spelling of 629712 in words is "six hundred twenty-nine thousand, seven hundred twelve".