630527379 has 8 divisors (see below), whose sum is σ = 856565712. Its totient is φ = 412420320.

The previous prime is 630527347. The next prime is 630527393. The reversal of 630527379 is 973725036.

It is a happy number.

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

It is not a de Polignac number, because 630527379 - 2⁵ = 630527347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630527379.

It is not an unprimeable number, because it can be changed into a prime (630527329) 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, 1982632 + ... + 1982949.

It is an arithmetic number, because the mean of its divisors is an integer number (107070714).

Almost surely, 2^630527379 is an apocalyptic number.

630527379 is a deficient number, since it is larger than the sum of its proper divisors (226038333).

630527379 is a wasteful number, since it uses less digits than its factorization.

630527379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965637.

The product of its (nonzero) digits is 238140, while the sum is 42.

The square root of 630527379 is about 25110.3042394950. The cubic root of 630527379 is about 857.5010288785.

The spelling of 630527379 in words is "six hundred thirty million, five hundred twenty-seven thousand, three hundred seventy-nine".