629722 has 8 divisors (see below), whose sum is σ = 950400. Its totient is φ = 312924.

The previous prime is 629711. The next prime is 629723. The reversal of 629722 is 227926.

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

It is a d-powerful number, because it can be written as 6⁶ + 2 + 7⁵ + 9⁶ + 2¹¹ + 2¹⁵ .

It is not an unprimeable number, because it can be changed into a prime (629723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522 + ... + 1237.

It is an arithmetic number, because the mean of its divisors is an integer number (118800).

2⁶²⁹⁷²² is an apocalyptic number.

629722 is a deficient number, since it is larger than the sum of its proper divisors (320678).

629722 is a wasteful number, since it uses less digits than its factorization.

629722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940.

The product of its digits is 3024, while the sum is 28.

The square root of 629722 is about 793.5502504568. The cubic root of 629722 is about 85.7135775074.

The spelling of 629722 in words is "six hundred twenty-nine thousand, seven hundred twenty-two".