627684330 has 128 divisors (see below), whose sum is σ = 1897555968. Its totient is φ = 129330432.

The previous prime is 627684307. The next prime is 627684347. The reversal of 627684330 is 33486726.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114717 + ... + 120063.

It is an arithmetic number, because the mean of its divisors is an integer number (14824656).

Almost surely, 2^627684330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 627684330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948777984).

627684330 is an abundant number, since it is smaller than the sum of its proper divisors (1269871638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

627684330 is a wasteful number, since it uses less digits than its factorization.

627684330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 627684330 is about 25053.6290784389. The cubic root of 627684330 is about 856.2102623859.

The spelling of 627684330 in words is "six hundred twenty-seven million, six hundred eighty-four thousand, three hundred thirty".