714479921 has 4 divisors (see below), whose sum is σ = 714899700. Its totient is φ = 714060144.

The previous prime is 714479917. The next prime is 714479923. The reversal of 714479921 is 129974417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 400800400 + 313679521 = 20020^2 + 17711^2 .

It is a cyclic number.

It is not a de Polignac number, because 714479921 - 2² = 714479917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (714479923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207326 + ... + 210743.

It is an arithmetic number, because the mean of its divisors is an integer number (178724925).

Almost surely, 2^714479921 is an apocalyptic number.

It is an amenable number.

714479921 is a deficient number, since it is larger than the sum of its proper divisors (419779).

714479921 is a wasteful number, since it uses less digits than its factorization.

714479921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419778.

The product of its digits is 127008, while the sum is 44.

The square root of 714479921 is about 26729.7572192491. The cubic root of 714479921 is about 893.9845420540.

The spelling of 714479921 in words is "seven hundred fourteen million, four hundred seventy-nine thousand, nine hundred twenty-one".