11070640 has 80 divisors (see below), whose sum is σ = 30051648. Its totient is φ = 3714048.

The previous prime is 11070637. The next prime is 11070641. The reversal of 11070640 is 4607011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (11070641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29494 + ... + 29866.

Almost surely, 2^11070640 is an apocalyptic number.

11070640 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 11070640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15025824).

11070640 is an abundant number, since it is smaller than the sum of its proper divisors (18981008).

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

11070640 is a wasteful number, since it uses less digits than its factorization.

11070640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11070640 is about 3327.2571286271. The cubic root of 11070640 is about 222.8730601323.

Adding to 11070640 its reverse (4607011), we get a palindrome (15677651).

The spelling of 11070640 in words is "eleven million, seventy thousand, six hundred forty".