27274240 has 88 divisors (see below), whose sum is σ = 74871072. Its totient is φ = 9338880.

The previous prime is 27274229. The next prime is 27274243. The reversal of 27274240 is 4247272.

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

It is a junction number, because it is equal to n+sod(n) for n = 27274199 and 27274208.

It is not an unprimeable number, because it can be changed into a prime (27274243) 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, 35460 + ... + 36220.

Almost surely, 2^27274240 is an apocalyptic number.

27274240 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 27274240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37435536).

27274240 is an abundant number, since it is smaller than the sum of its proper divisors (47596832).

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

27274240 is an equidigital number, since it uses as much as digits as its factorization.

27274240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 775 counting only the distinct ones).

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

The square root of 27274240 is about 5222.4745092724. The cubic root of 27274240 is about 301.0122841313.

The spelling of 27274240 in words is "twenty-seven million, two hundred seventy-four thousand, two hundred forty".