27494840 has 32 divisors (see below), whose sum is σ = 62257680. Its totient is φ = 10927872.

The previous prime is 27494839. The next prime is 27494849. The reversal of 27494840 is 4849472.

It is a junction number, because it is equal to n+sod(n) for n = 27494794 and 27494803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27494849) 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, 4412 + ... + 8628.

Almost surely, 2^27494840 is an apocalyptic number.

27494840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27494840 is an abundant number, since it is smaller than the sum of its proper divisors (34762840).

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

27494840 is a wasteful number, since it uses less digits than its factorization.

27494840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391 (or 4387 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 27494840 is about 5243.5522310739. The cubic root of 27494840 is about 301.8216569054.

The spelling of 27494840 in words is "twenty-seven million, four hundred ninety-four thousand, eight hundred forty".