27493040 has 40 divisors (see below), whose sum is σ = 64201248. Its totient is φ = 10949120.

The previous prime is 27493031. The next prime is 27493049. The reversal of 27493040 is 4039472.

It is an interprime number because it is at equal distance from previous prime (27493031) and next prime (27493049).

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

It is a junction number, because it is equal to n+sod(n) for n = 27492994 and 27493012.

It is not an unprimeable number, because it can be changed into a prime (27493049) 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, 21869 + ... + 23091.

Almost surely, 2^27493040 is an apocalyptic number.

27493040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27493040 is an abundant number, since it is smaller than the sum of its proper divisors (36708208).

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

27493040 is a wasteful number, since it uses less digits than its factorization.

27493040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 27493040 is about 5243.3805888949. The cubic root of 27493040 is about 301.8150703260.

The spelling of 27493040 in words is "twenty-seven million, four hundred ninety-three thousand, forty".