1721163714 has 16 divisors (see below), whose sum is σ = 3458644320. Its totient is φ = 571001760.

The previous prime is 1721163707. The next prime is 1721163721. The reversal of 1721163714 is 4173611271.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1721163707) and next prime (1721163721).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678499 + ... + 681030.

It is an arithmetic number, because the mean of its divisors is an integer number (216165270).

Almost surely, 2^1721163714 is an apocalyptic number.

1721163714 is an abundant number, since it is smaller than the sum of its proper divisors (1737480606).

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

1721163714 is a wasteful number, since it uses less digits than its factorization.

1721163714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359745.

The product of its digits is 7056, while the sum is 33.

The square root of 1721163714 is about 41486.9101524806. The cubic root of 1721163714 is about 1198.4154349378.

Adding to 1721163714 its reverse (4173611271), we get a palindrome (5894774985).

The spelling of 1721163714 in words is "one billion, seven hundred twenty-one million, one hundred sixty-three thousand, seven hundred fourteen".