669480714 has 80 divisors (see below), whose sum is σ = 1719748800. Its totient is φ = 190688256.

The previous prime is 669480709. The next prime is 669480719. The reversal of 669480714 is 417084966.

It is an interprime number because it is at equal distance from previous prime (669480709) and next prime (669480719).

It is a self number, because there is not a number n which added to its sum of digits gives 669480714.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669480719) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 474442 + ... + 475850.

It is an arithmetic number, because the mean of its divisors is an integer number (21496860).

Almost surely, 2^669480714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 669480714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859874400).

669480714 is an abundant number, since it is smaller than the sum of its proper divisors (1050268086).

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

669480714 is a wasteful number, since it uses less digits than its factorization.

669480714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849 (or 1840 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 669480714 is about 25874.3253825100. The cubic root of 669480714 is about 874.8078877283.

The spelling of 669480714 in words is "six hundred sixty-nine million, four hundred eighty thousand, seven hundred fourteen".