7132780 has 24 divisors (see below), whose sum is σ = 15034320. Its totient is φ = 2842560.

The previous prime is 7132751. The next prime is 7132781. The reversal of 7132780 is 872317.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7132781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7110 + ... + 8050.

It is an arithmetic number, because the mean of its divisors is an integer number (626430).

Almost surely, 2^7132780 is an apocalyptic number.

It is an amenable number.

7132780 is an abundant number, since it is smaller than the sum of its proper divisors (7901540).

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

7132780 is a wasteful number, since it uses less digits than its factorization.

7132780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 7132780 is about 2670.7264929229. The cubic root of 7132780 is about 192.4950693064.

The spelling of 7132780 in words is "seven million, one hundred thirty-two thousand, seven hundred eighty".