27464920 has 64 divisors (see below), whose sum is σ = 72161280. Its totient is φ = 9211776.

The previous prime is 27464909. The next prime is 27464933. The reversal of 27464920 is 2946472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12117 + ... + 14203.

It is an arithmetic number, because the mean of its divisors is an integer number (1127520).

Almost surely, 2^27464920 is an apocalyptic number.

27464920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27464920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36080640).

27464920 is an abundant number, since it is smaller than the sum of its proper divisors (44696360).

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

27464920 is a wasteful number, since it uses less digits than its factorization.

27464920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 27464920 is about 5240.6984267367. The cubic root of 27464920 is about 301.7121359719.

The spelling of 27464920 in words is "twenty-seven million, four hundred sixty-four thousand, nine hundred twenty".