27923120 has 20 divisors (see below), whose sum is σ = 64921440. Its totient is φ = 11169216.

The previous prime is 27923117. The next prime is 27923131. The reversal of 27923120 is 2132972.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 27923120.

It is a congruent 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, 174440 + ... + 174599.

It is an arithmetic number, because the mean of its divisors is an integer number (3246072).

Almost surely, 2^27923120 is an apocalyptic number.

27923120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27923120 is an abundant number, since it is smaller than the sum of its proper divisors (36998320).

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

27923120 is a wasteful number, since it uses less digits than its factorization.

27923120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349052 (or 349046 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 27923120 is about 5284.2331515557. The cubic root of 27923120 is about 303.3807222450.

The spelling of 27923120 in words is "twenty-seven million, nine hundred twenty-three thousand, one hundred twenty".