7151680 has 28 divisors (see below), whose sum is σ = 17030700. Its totient is φ = 2860544.

The previous prime is 7151663. The next prime is 7151687. The reversal of 7151680 is 861517.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1806336 + 5345344 = 1344^2 + 2312^2 .

It is a super-2 number, since 2×7151680² = 102293053644800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7151687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10855 + ... + 11494.

Almost surely, 2^7151680 is an apocalyptic number.

It is an amenable number.

7151680 is an abundant number, since it is smaller than the sum of its proper divisors (9879020).

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

7151680 is a wasteful number, since it uses less digits than its factorization.

7151680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22366 (or 22356 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 7151680 is about 2674.2625151619. The cubic root of 7151680 is about 192.6649398732.

The spelling of 7151680 in words is "seven million, one hundred fifty-one thousand, six hundred eighty".