1712070221 has 8 divisors (see below), whose sum is σ = 1908190080. Its totient is φ = 1526551488.

The previous prime is 1712070211. The next prime is 1712070233. The reversal of 1712070221 is 1220702171.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1712070221 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 (1712070211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2649941 + ... + 2650586.

It is an arithmetic number, because the mean of its divisors is an integer number (238523760).

Almost surely, 2^1712070221 is an apocalyptic number.

It is an amenable number.

1712070221 is a deficient number, since it is larger than the sum of its proper divisors (196119859).

1712070221 is a wasteful number, since it uses less digits than its factorization.

1712070221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300563.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 1712070221 is about 41377.1702874907. The cubic root of 1712070221 is about 1196.3011617010.

Adding to 1712070221 its reverse (1220702171), we get a palindrome (2932772392).

The spelling of 1712070221 in words is "one billion, seven hundred twelve million, seventy thousand, two hundred twenty-one".