10543720 has 64 divisors (see below), whose sum is σ = 26749440. Its totient is φ = 3705600.

The previous prime is 10543717. The next prime is 10543721. The reversal of 10543720 is 2734501.

It is a super-2 number, since 2×10543720² = 222340062876800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 10543691 and 10543700.

It is not an unprimeable number, because it can be changed into a prime (10543721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13254 + ... + 14026.

It is an arithmetic number, because the mean of its divisors is an integer number (417960).

Almost surely, 2^10543720 is an apocalyptic number.

10543720 is a gapful number since it is divisible by the number (10) 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 10543720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13374720).

10543720 is an abundant number, since it is smaller than the sum of its proper divisors (16205720).

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

10543720 is a wasteful number, since it uses less digits than its factorization.

10543720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 10543720 is about 3247.1094838333. The cubic root of 10543720 is about 219.2794608643.

It can be divided in two parts, 1054 and 3720, that added together give a palindrome (4774).

The spelling of 10543720 in words is "ten million, five hundred forty-three thousand, seven hundred twenty".