27153920 has 40 divisors (see below), whose sum is σ = 65111904. Its totient is φ = 10860544.

The previous prime is 27153911. The next prime is 27153937. The reversal of 27153920 is 2935172.

It is a tau number, because it is divible by the number of its divisors (40).

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, 2744 + ... + 7863.

Almost surely, 2^27153920 is an apocalyptic number.

27153920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27153920 is an abundant number, since it is smaller than the sum of its proper divisors (37957984).

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

27153920 is an equidigital number, since it uses as much as digits as its factorization.

27153920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10630 (or 10614 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 27153920 is about 5210.9423332062. The cubic root of 27153920 is about 300.5689942104.

The spelling of 27153920 in words is "twenty-seven million, one hundred fifty-three thousand, nine hundred twenty".