7107940 has 36 divisors (see below), whose sum is σ = 17366076. Its totient is φ = 2436672.

The previous prime is 7107923. The next prime is 7107949. The reversal of 7107940 is 497017.

It can be written as a sum of positive squares in 2 ways, for example, as 3896676 + 3211264 = 1974^2 + 1792^2 .

It is a super-2 number, since 2×7107940² = 101045622087200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 7107899 and 7107908.

It is not an unprimeable number, because it can be changed into a prime (7107949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2647 + ... + 4606.

It is an arithmetic number, because the mean of its divisors is an integer number (482391).

Almost surely, 2^7107940 is an apocalyptic number.

7107940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7107940 is an abundant number, since it is smaller than the sum of its proper divisors (10258136).

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

7107940 is a wasteful number, since it uses less digits than its factorization.

7107940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7276 (or 7267 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 7107940 is about 2666.0720170318. The cubic root of 7107940 is about 192.2713538724.

The spelling of 7107940 in words is "seven million, one hundred seven thousand, nine hundred forty".