27072516 has 12 divisors (see below), whose sum is σ = 63169232. Its totient is φ = 9024168.

The previous prime is 27072491. The next prime is 27072523. The reversal of 27072516 is 61527072.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×27072516² = 1465842245140512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128010 + ... + 1128033.

Almost surely, 2^27072516 is an apocalyptic number.

It is an amenable number.

27072516 is an abundant number, since it is smaller than the sum of its proper divisors (36096716).

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

27072516 is a wasteful number, since it uses less digits than its factorization.

27072516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256050 (or 2256048 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 27072516 is about 5203.1255990991. The cubic root of 27072516 is about 300.2683376892.

Adding to 27072516 its reverse (61527072), we get a palindrome (88599588).

The spelling of 27072516 in words is "twenty-seven million, seventy-two thousand, five hundred sixteen".