27740472 has 32 divisors (see below), whose sum is σ = 71744400. Its totient is φ = 8927744.

The previous prime is 27740467. The next prime is 27740473. The reversal of 27740472 is 27404772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27740473) 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, 19233 + ... + 20624.

Almost surely, 2^27740472 is an apocalyptic number.

It is an amenable number.

27740472 is an abundant number, since it is smaller than the sum of its proper divisors (44003928).

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

27740472 is a wasteful number, since it uses less digits than its factorization.

27740472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39895 (or 39891 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 27740472 is about 5266.9224410466. The cubic root of 27740472 is about 302.7177932051.

The spelling of 27740472 in words is "twenty-seven million, seven hundred forty thousand, four hundred seventy-two".