27141480 has 80 divisors (see below), whose sum is σ = 91236420. Its totient is φ = 7236864.

The previous prime is 27141437. The next prime is 27141487. The reversal of 27141480 is 8414172.

It can be written as a sum of positive squares in 2 ways, for example, as 25220484 + 1920996 = 5022^2 + 1386^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (27141487) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 949 + ... + 7428.

Almost surely, 2^27141480 is an apocalyptic number.

27141480 is a gapful number since it is divisible by the number (20) 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 27141480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45618210).

27141480 is an abundant number, since it is smaller than the sum of its proper divisors (64094940).

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

27141480 is a wasteful number, since it uses less digits than its factorization.

27141480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400 (or 8387 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 27141480 is about 5209.7485543930. The cubic root of 27141480 is about 300.5230874018.

The spelling of 27141480 in words is "twenty-seven million, one hundred forty-one thousand, four hundred eighty".