630273 has 8 divisors (see below), whose sum is σ = 960448. Its totient is φ = 360144.

The previous prime is 630263. The next prime is 630281. The reversal of 630273 is 372036.

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

It is not a de Polignac number, because 630273 - 2⁸ = 630017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 30013 = 630273 / (6 + 3 + 0 + 2 + 7 + 3).

It is a Duffinian number.

It is a Curzon number.

630273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (630263) 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, 14986 + ... + 15027.

It is an arithmetic number, because the mean of its divisors is an integer number (120056).

2⁶³⁰²⁷³ is an apocalyptic number.

It is an amenable number.

630273 is a deficient number, since it is larger than the sum of its proper divisors (330175).

630273 is a wasteful number, since it uses less digits than its factorization.

630273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30023.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 630273 is about 793.8973485281. The cubic root of 630273 is about 85.7385697067.

It can be divided in two parts, 630 and 273, that added together give a triangular number (903 = T₄₂).

The spelling of 630273 in words is "six hundred thirty thousand, two hundred seventy-three".