7216680 has 32 divisors (see below), whose sum is σ = 21650400. Its totient is φ = 1924416.

The previous prime is 7216673. The next prime is 7216691. The reversal of 7216680 is 866127.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29950 + ... + 30189.

It is an arithmetic number, because the mean of its divisors is an integer number (676575).

Almost surely, 2^7216680 is an apocalyptic number.

It is an amenable number.

7216680 is an abundant number, since it is smaller than the sum of its proper divisors (14433720).

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

7216680 is a wasteful number, since it uses less digits than its factorization.

7216680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60153 (or 60149 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 7216680 is about 2686.3879094427. The cubic root of 7216680 is about 193.2468763912.

The spelling of 7216680 in words is "seven million, two hundred sixteen thousand, six hundred eighty".