10721716 has 24 divisors (see below), whose sum is σ = 19262880. Its totient is φ = 5220000.

The previous prime is 10721653. The next prime is 10721723. The reversal of 10721716 is 61712701.

10721716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10721716² = 229910387969312, which contains 22 as substring.

It is a congruent number.

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, 42591 + ... + 42841.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^10721716 is an apocalyptic number.

It is an amenable number.

10721716 is a deficient number, since it is larger than the sum of its proper divisors (8541164).

10721716 is a wasteful number, since it uses less digits than its factorization.

10721716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

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

The square root of 10721716 is about 3274.4031517209. The cubic root of 10721716 is about 220.5065188674.

The spelling of 10721716 in words is "ten million, seven hundred twenty-one thousand, seven hundred sixteen".