630716371 has 8 divisors (see below), whose sum is σ = 671176800. Its totient is φ = 590629248.

The previous prime is 630716369. The next prime is 630716461. The reversal of 630716371 is 173617036.

It is a happy number.

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 630716371 - 2¹ = 630716369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630711371) 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, 89836 + ... + 96601.

It is an arithmetic number, because the mean of its divisors is an integer number (83897100).

Almost surely, 2^630716371 is an apocalyptic number.

630716371 is a deficient number, since it is larger than the sum of its proper divisors (40460429).

630716371 is a wasteful number, since it uses less digits than its factorization.

630716371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186653.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 630716371 is about 25114.0671935073. The cubic root of 630716371 is about 857.5866950740.

The spelling of 630716371 in words is "six hundred thirty million, seven hundred sixteen thousand, three hundred seventy-one".