27356540 has 12 divisors (see below), whose sum is σ = 57448776. Its totient is φ = 10942608.

The previous prime is 27356503. The next prime is 27356543. The reversal of 27356540 is 4565372.

It is a junction number, because it is equal to n+sod(n) for n = 27356497 and 27356506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27356543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683894 + ... + 683933.

It is an arithmetic number, because the mean of its divisors is an integer number (4787398).

Almost surely, 2^27356540 is an apocalyptic number.

27356540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27356540 is an abundant number, since it is smaller than the sum of its proper divisors (30092236).

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

27356540 is a wasteful number, since it uses less digits than its factorization.

27356540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367836 (or 1367834 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 27356540 is about 5230.3479807753. The cubic root of 27356540 is about 301.3147482251.

The spelling of 27356540 in words is "twenty-seven million, three hundred fifty-six thousand, five hundred forty".