7932420 has 72 divisors (see below), whose sum is σ = 24321024. Its totient is φ = 2092608.

The previous prime is 7932403. The next prime is 7932433. The reversal of 7932420 is 242397.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22687 + ... + 23033.

It is an arithmetic number, because the mean of its divisors is an integer number (337792).

Almost surely, 2^7932420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7932420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12160512).

7932420 is an abundant number, since it is smaller than the sum of its proper divisors (16388604).

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

7932420 is a wasteful number, since it uses less digits than its factorization.

7932420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 7932420 is about 2816.4552188877. The cubic root of 7932420 is about 199.4352400655.

The spelling of 7932420 in words is "seven million, nine hundred thirty-two thousand, four hundred twenty".