10728240 has 40 divisors (see below), whose sum is σ = 33258288. Its totient is φ = 2860800.

The previous prime is 10728239. The next prime is 10728251. The reversal of 10728240 is 4282701.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a self number, because there is not a number n which added to its sum of digits gives 10728240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22111 + ... + 22590.

Almost surely, 2^10728240 is an apocalyptic number.

10728240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10728240 is an abundant number, since it is smaller than the sum of its proper divisors (22530048).

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

10728240 is a wasteful number, since it uses less digits than its factorization.

10728240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44717 (or 44711 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 10728240 is about 3275.3992123099. The cubic root of 10728240 is about 220.5512347457.

The spelling of 10728240 in words is "ten million, seven hundred twenty-eight thousand, two hundred forty".