7720132 has 12 divisors (see below), whose sum is σ = 15440320. Its totient is φ = 3308616.

The previous prime is 7720123. The next prime is 7720151. The reversal of 7720132 is 2310277.

7720132 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

7720132 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137832 + ... + 137887.

Almost surely, 2^7720132 is an apocalyptic number.

It is an amenable number.

7720132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7720132 is a wasteful number, since it uses less digits than its factorization.

7720132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275730 (or 275728 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 7720132 is about 2778.5125517082. The cubic root of 7720132 is about 197.6400288797.

The spelling of 7720132 in words is "seven million, seven hundred twenty thousand, one hundred thirty-two".