27328420 has 24 divisors (see below), whose sum is σ = 65588544. Its totient is φ = 9369696.

The previous prime is 27328409. The next prime is 27328421. The reversal of 27328420 is 2482372.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (27328421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97462 + ... + 97741.

It is an arithmetic number, because the mean of its divisors is an integer number (2732856).

Almost surely, 2^27328420 is an apocalyptic number.

27328420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27328420 is an abundant number, since it is smaller than the sum of its proper divisors (38260124).

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

27328420 is a wasteful number, since it uses less digits than its factorization.

27328420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195219 (or 195217 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 27328420 is about 5227.6591319634. The cubic root of 27328420 is about 301.2114715738.

The spelling of 27328420 in words is "twenty-seven million, three hundred twenty-eight thousand, four hundred twenty".