630743 has 8 divisors (see below), whose sum is σ = 673200. Its totient is φ = 589248.

The previous prime is 630737. The next prime is 630797. The reversal of 630743 is 347036.

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

It is a cyclic number.

It is not a de Polignac number, because 630743 - 2¹⁶ = 565207 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630713) 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, 1505 + ... + 1877.

It is an arithmetic number, because the mean of its divisors is an integer number (84150).

2⁶³⁰⁷⁴³ is an apocalyptic number.

630743 is a deficient number, since it is larger than the sum of its proper divisors (42457).

630743 is a wasteful number, since it uses less digits than its factorization.

630743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 630743 is about 794.1933014072. The cubic root of 630743 is about 85.7598764078.

Adding to 630743 its reverse (347036), we get a palindrome (977779).

The spelling of 630743 in words is "six hundred thirty thousand, seven hundred forty-three".