27135480 has 32 divisors (see below), whose sum is σ = 81406800. Its totient is φ = 7236096.

The previous prime is 27135443. The next prime is 27135491. The reversal of 27135480 is 8453172.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112945 + ... + 113184.

Almost surely, 2^27135480 is an apocalyptic number.

27135480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27135480 is an abundant number, since it is smaller than the sum of its proper divisors (54271320).

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

27135480 is a wasteful number, since it uses less digits than its factorization.

27135480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226143 (or 226139 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 27135480 is about 5209.1726790346. The cubic root of 27135480 is about 300.5009408398.

The spelling of 27135480 in words is "twenty-seven million, one hundred thirty-five thousand, four hundred eighty".