630742 has 8 divisors (see below), whose sum is σ = 1081296. Its totient is φ = 270312.

The previous prime is 630737. The next prime is 630797. The reversal of 630742 is 247036.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22513 + ... + 22540.

It is an arithmetic number, because the mean of its divisors is an integer number (135162).

2⁶³⁰⁷⁴² is an apocalyptic number.

630742 is a deficient number, since it is larger than the sum of its proper divisors (450554).

630742 is a wasteful number, since it uses less digits than its factorization.

630742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45062.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 630742 is about 794.1926718373. The cubic root of 630742 is about 85.7598310856.

Adding to 630742 its reverse (247036), we get a palindrome (877778).

The spelling of 630742 in words is "six hundred thirty thousand, seven hundred forty-two".