27433240 has 32 divisors (see below), whose sum is σ = 65357280. Its totient is φ = 10327552.

The previous prime is 27433201. The next prime is 27433247. The reversal of 27433240 is 4233472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27433247) 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, 19492 + ... + 20851.

It is an arithmetic number, because the mean of its divisors is an integer number (2042415).

Almost surely, 2^27433240 is an apocalyptic number.

27433240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27433240 is an abundant number, since it is smaller than the sum of its proper divisors (37924040).

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

27433240 is a wasteful number, since it uses less digits than its factorization.

27433240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40371 (or 40367 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 27433240 is about 5237.6750567403. The cubic root of 27433240 is about 301.5960858993.

The spelling of 27433240 in words is "twenty-seven million, four hundred thirty-three thousand, two hundred forty".