7219980 has 36 divisors (see below), whose sum is σ = 21901152. Its totient is φ = 1925280.

The previous prime is 7219973. The next prime is 7219997. The reversal of 7219980 is 899127.

It is a happy number.

7219980 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×7219980² = 104256222400800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 19876 + ... + 20235.

Almost surely, 2^7219980 is an apocalyptic number.

It is an amenable number.

7219980 is an abundant number, since it is smaller than the sum of its proper divisors (14681172).

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

7219980 is a wasteful number, since it uses less digits than its factorization.

7219980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40126 (or 40121 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 7219980 is about 2687.0020468917. The cubic root of 7219980 is about 193.2763274921.

It can be divided in two parts, 721 and 9980, that added together give a palindrome (10701).

The spelling of 7219980 in words is "seven million, two hundred nineteen thousand, nine hundred eighty".