10721472 has 56 divisors (see below), whose sum is σ = 29870400. Its totient is φ = 3384576.

The previous prime is 10721471. The next prime is 10721479. The reversal of 10721472 is 27412701.

It is a super-2 number, since 2×10721472² = 229899923693568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10721471) 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, 2179 + ... + 5117.

It is an arithmetic number, because the mean of its divisors is an integer number (533400).

Almost surely, 2^10721472 is an apocalyptic number.

10721472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10721472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14935200).

10721472 is an abundant number, since it is smaller than the sum of its proper divisors (19148928).

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

10721472 is a wasteful number, since it uses less digits than its factorization.

10721472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 10721472 is about 3274.3658928104. The cubic root of 10721472 is about 220.5048461253.

The spelling of 10721472 in words is "ten million, seven hundred twenty-one thousand, four hundred seventy-two".