27474220 has 24 divisors (see below), whose sum is σ = 58260384. Its totient is φ = 10882176.

The previous prime is 27474203. The next prime is 27474263. The reversal of 27474220 is 2247472.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4609 + ... + 8728.

It is an arithmetic number, because the mean of its divisors is an integer number (2427516).

Almost surely, 2^27474220 is an apocalyptic number.

27474220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27474220 is an abundant number, since it is smaller than the sum of its proper divisors (30786164).

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

27474220 is a wasteful number, since it uses less digits than its factorization.

27474220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449 (or 13447 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 27474220 is about 5241.5856379535. The cubic root of 27474220 is about 301.7461867563.

The spelling of 27474220 in words is "twenty-seven million, four hundred seventy-four thousand, two hundred twenty".