27293040 has 60 divisors (see below), whose sum is σ = 91661544. Its totient is φ = 7277952.

The previous prime is 27293033. The next prime is 27293059. The reversal of 27293040 is 4039272.

It is a tau number, because it is divible by the number of its divisors (60).

It is a junction number, because it is equal to n+sod(n) for n = 27292995 and 27293013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18234 + ... + 19673.

Almost surely, 2^27293040 is an apocalyptic number.

27293040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27293040 is an abundant number, since it is smaller than the sum of its proper divisors (64368504).

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

27293040 is a wasteful number, since it uses less digits than its factorization.

27293040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37926 (or 37917 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 27293040 is about 5224.2741122571. The cubic root of 27293040 is about 301.0814303439.

The spelling of 27293040 in words is "twenty-seven million, two hundred ninety-three thousand, forty".