1001720716 has 12 divisors (see below), whose sum is σ = 1856129688. Its totient is φ = 471397952.

The previous prime is 1001720677. The next prime is 1001720749. The reversal of 1001720716 is 6170271001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7365526 + ... + 7365661.

It is an arithmetic number, because the mean of its divisors is an integer number (154677474).

Almost surely, 2^1001720716 is an apocalyptic number.

It is an amenable number.

1001720716 is a deficient number, since it is larger than the sum of its proper divisors (854408972).

1001720716 is a wasteful number, since it uses less digits than its factorization.

1001720716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14731208 (or 14731206 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 1001720716 is about 31649.9718167331. The cubic root of 1001720716 is about 1000.5732433293.

Adding to 1001720716 its reverse (6170271001), we get a palindrome (7171991717).

The spelling of 1001720716 in words is "one billion, one million, seven hundred twenty thousand, seven hundred sixteen".