10721441 has 8 divisors (see below), whose sum is σ = 11381760. Its totient is φ = 10064448.

The previous prime is 10721419. The next prime is 10721461. The reversal of 10721441 is 14412701.

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

It is a cyclic number.

It is not a de Polignac number, because 10721441 - 2¹⁸ = 10459297 is a prime.

It is a super-2 number, since 2×10721441² = 229898594232962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10721401) 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, 9800 + ... + 10838.

It is an arithmetic number, because the mean of its divisors is an integer number (1422720).

Almost surely, 2^10721441 is an apocalyptic number.

It is an amenable number.

10721441 is a deficient number, since it is larger than the sum of its proper divisors (660319).

10721441 is a wasteful number, since it uses less digits than its factorization.

10721441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 10721441 is about 3274.3611590660. The cubic root of 10721441 is about 220.5046336029.

The spelling of 10721441 in words is "ten million, seven hundred twenty-one thousand, four hundred forty-one".