630493273 has 8 divisors (see below), whose sum is σ = 660287808. Its totient is φ = 600897264.

The previous prime is 630493271. The next prime is 630493289. The reversal of 630493273 is 372394036.

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

It is not a de Polignac number, because 630493273 - 2¹ = 630493271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630493271) 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, 43111 + ... + 55852.

It is an arithmetic number, because the mean of its divisors is an integer number (82535976).

Almost surely, 2^630493273 is an apocalyptic number.

It is an amenable number.

630493273 is a deficient number, since it is larger than the sum of its proper divisors (29794535).

630493273 is a wasteful number, since it uses less digits than its factorization.

630493273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99263.

The product of its (nonzero) digits is 81648, while the sum is 37.

The square root of 630493273 is about 25109.6251067195. The cubic root of 630493273 is about 857.4855675052.

The spelling of 630493273 in words is "six hundred thirty million, four hundred ninety-three thousand, two hundred seventy-three".