629745 has 8 divisors (see below), whose sum is σ = 1007616. Its totient is φ = 335856.

The previous prime is 629743. The next prime is 629747. The reversal of 629745 is 547926.

It is an interprime number because it is at equal distance from previous prime (629743) and next prime (629747).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 629745 - 2¹ = 629743 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (629743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20977 + ... + 21006.

It is an arithmetic number, because the mean of its divisors is an integer number (125952).

2⁶²⁹⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

629745 is a deficient number, since it is larger than the sum of its proper divisors (377871).

629745 is a wasteful number, since it uses less digits than its factorization.

629745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41991.

The product of its digits is 15120, while the sum is 33.

The square root of 629745 is about 793.5647421603. The cubic root of 629745 is about 85.7146210304.

The spelling of 629745 in words is "six hundred twenty-nine thousand, seven hundred forty-five".