27471940 has 24 divisors (see below), whose sum is σ = 57843072. Its totient is φ = 10959840.

The previous prime is 27471919. The next prime is 27471947. The reversal of 27471940 is 4917472.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27471896 and 27471905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27471947) 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, 7027 + ... + 10213.

It is an arithmetic number, because the mean of its divisors is an integer number (2410128).

Almost surely, 2^27471940 is an apocalyptic number.

27471940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27471940 is an abundant number, since it is smaller than the sum of its proper divisors (30371132).

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

27471940 is a wasteful number, since it uses less digits than its factorization.

27471940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 27471940 is about 5241.3681420026. The cubic root of 27471940 is about 301.7378395332.

The spelling of 27471940 in words is "twenty-seven million, four hundred seventy-one thousand, nine hundred forty".