10728940 has 12 divisors (see below), whose sum is σ = 22530816. Its totient is φ = 4291568.

The previous prime is 10728937. The next prime is 10728943. The reversal of 10728940 is 4982701.

It is an interprime number because it is at equal distance from previous prime (10728937) and next prime (10728943).

It is a super-2 number, since 2×10728940² = 230220307047200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10728943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268204 + ... + 268243.

It is an arithmetic number, because the mean of its divisors is an integer number (1877568).

Almost surely, 2^10728940 is an apocalyptic number.

10728940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10728940 is an abundant number, since it is smaller than the sum of its proper divisors (11801876).

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

10728940 is a wasteful number, since it uses less digits than its factorization.

10728940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536456 (or 536454 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 10728940 is about 3275.5060677703. The cubic root of 10728940 is about 220.5560315097.

The spelling of 10728940 in words is "ten million, seven hundred twenty-eight thousand, nine hundred forty".