630071 has 8 divisors (see below), whose sum is σ = 718704. Its totient is φ = 547200.

The previous prime is 630067. The next prime is 630101. The reversal of 630071 is 170036.

630071 = T₁₃₁ + T₁₃₂ + ... + T₁₈₁.

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 630071 - 2² = 630067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630871) 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, 1205 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (89838).

2⁶³⁰⁰⁷¹ is an apocalyptic number.

630071 is a deficient number, since it is larger than the sum of its proper divisors (88633).

630071 is a wasteful number, since it uses less digits than its factorization.

630071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 630071 is about 793.7701178553. The cubic root of 630071 is about 85.7294091040.

The spelling of 630071 in words is "six hundred thirty thousand, seventy-one".