11075720 has 32 divisors (see below), whose sum is σ = 25018200. Its totient is φ = 4412928.

The previous prime is 11075717. The next prime is 11075723. The reversal of 11075720 is 2757011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11075717) and next prime (11075723).

It can be written as a sum of positive squares in 4 ways, for example, as 10876804 + 198916 = 3298^2 + 446^2 .

It is not an unprimeable number, because it can be changed into a prime (11075723) 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, 16022 + ... + 16698.

Almost surely, 2^11075720 is an apocalyptic number.

11075720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11075720 is an abundant number, since it is smaller than the sum of its proper divisors (13942480).

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

11075720 is a wasteful number, since it uses less digits than its factorization.

11075720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 11075720 is about 3328.0204326296. The cubic root of 11075720 is about 222.9071449432.

The spelling of 11075720 in words is "eleven million, seventy-five thousand, seven hundred twenty".