27102929 has 12 divisors (see below), whose sum is σ = 31964004. Its totient is φ = 22909824.

The previous prime is 27102917. The next prime is 27102961. The reversal of 27102929 is 92920172.

It can be written as a sum of positive squares in 2 ways, for example, as 5499025 + 21603904 = 2345^2 + 4648^2 .

It is a de Polignac number, because none of the positive numbers 2^k-27102929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27102895 and 27102904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27102979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212 + ... + 7365.

It is an arithmetic number, because the mean of its divisors is an integer number (2663667).

Almost surely, 2^27102929 is an apocalyptic number.

It is an amenable number.

27102929 is a deficient number, since it is larger than the sum of its proper divisors (4861075).

27102929 is an equidigital number, since it uses as much as digits as its factorization.

27102929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664 (or 7657 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 27102929 is about 5206.0473489971. The cubic root of 27102929 is about 300.3807351167.

The spelling of 27102929 in words is "twenty-seven million, one hundred two thousand, nine hundred twenty-nine".