27471948 has 72 divisors (see below), whose sum is σ = 78523200. Its totient is φ = 7432992.

The previous prime is 27471947. The next prime is 27471953. The reversal of 27471948 is 84917472.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 23 ways as a sum of consecutive naturals, for example, 9943 + ... + 12401.

It is an arithmetic number, because the mean of its divisors is an integer number (1090600).

Almost surely, 2^27471948 is an apocalyptic number.

27471948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27471948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39261600).

27471948 is an abundant number, since it is smaller than the sum of its proper divisors (51051252).

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

27471948 is a wasteful number, since it uses less digits than its factorization.

27471948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499 (or 2490 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 27471948 is about 5241.3689051621. The cubic root of 27471948 is about 301.7378688225.

The spelling of 27471948 in words is "twenty-seven million, four hundred seventy-one thousand, nine hundred forty-eight".