669023714 has 8 divisors (see below), whose sum is σ = 1030658268. Its totient is φ = 325470960.

The previous prime is 669023689. The next prime is 669023723. The reversal of 669023714 is 417320966.

It can be written as a sum of positive squares in 2 ways, for example, as 535228225 + 133795489 = 23135^2 + 11567^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 4520357 + ... + 4520504.

Almost surely, 2^669023714 is an apocalyptic number.

669023714 is a deficient number, since it is larger than the sum of its proper divisors (361634554).

669023714 is a wasteful number, since it uses less digits than its factorization.

669023714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040900.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 669023714 is about 25865.4927267972. The cubic root of 669023714 is about 874.6087890347.

The spelling of 669023714 in words is "six hundred sixty-nine million, twenty-three thousand, seven hundred fourteen".