27013530 has 32 divisors (see below), whose sum is σ = 65507904. Its totient is φ = 7128576.

The previous prime is 27013507. The next prime is 27013531. The reversal of 27013530 is 3531072.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27013497 and 27013506.

It is not an unprimeable number, because it can be changed into a prime (27013531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1732 + ... + 7551.

It is an arithmetic number, because the mean of its divisors is an integer number (2047122).

Almost surely, 2^27013530 is an apocalyptic number.

27013530 is an abundant number, since it is smaller than the sum of its proper divisors (38494374).

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

27013530 is a wasteful number, since it uses less digits than its factorization.

27013530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9390.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 27013530 is about 5197.4541845023. The cubic root of 27013530 is about 300.0501027430.

The spelling of 27013530 in words is "twenty-seven million, thirteen thousand, five hundred thirty".