714249821 has 4 divisors (see below), whose sum is σ = 714324252. Its totient is φ = 714175392.

The previous prime is 714249817. The next prime is 714249829. The reversal of 714249821 is 128942417.

It is a happy number.

714249821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 407474596 + 306775225 = 20186^2 + 17515^2 .

It is a cyclic number.

It is not a de Polignac number, because 714249821 - 2² = 714249817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (714249829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20240 + ... + 42873.

It is an arithmetic number, because the mean of its divisors is an integer number (178581063).

Almost surely, 2^714249821 is an apocalyptic number.

It is an amenable number.

714249821 is a deficient number, since it is larger than the sum of its proper divisors (74431).

714249821 is a wasteful number, since it uses less digits than its factorization.

714249821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74430.

The product of its digits is 32256, while the sum is 38.

The square root of 714249821 is about 26725.4526809182. The cubic root of 714249821 is about 893.8885617828. Note that the first 3 decimals are identical.

The spelling of 714249821 in words is "seven hundred fourteen million, two hundred forty-nine thousand, eight hundred twenty-one".