714440921 has 4 divisors (see below), whose sum is σ = 714864612. Its totient is φ = 714017232.

The previous prime is 714440917. The next prime is 714440939. The reversal of 714440921 is 129044417.

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 284293321 + 430147600 = 16861^2 + 20740^2 .

It is a cyclic number.

It is not a de Polignac number, because 714440921 - 2² = 714440917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (714440941) 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, 209306 + ... + 212691.

It is an arithmetic number, because the mean of its divisors is an integer number (178716153).

Almost surely, 2^714440921 is an apocalyptic number.

It is an amenable number.

714440921 is a deficient number, since it is larger than the sum of its proper divisors (423691).

714440921 is a wasteful number, since it uses less digits than its factorization.

714440921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423690.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 714440921 is about 26729.0276852713. The cubic root of 714440921 is about 893.9682756619.

The spelling of 714440921 in words is "seven hundred fourteen million, four hundred forty thousand, nine hundred twenty-one".