27097950 has 72 divisors (see below), whose sum is σ = 73917144. Its totient is φ = 6564800.

The previous prime is 27097927. The next prime is 27097951. The reversal of 27097950 is 5979072.

It is a junction number, because it is equal to n+sod(n) for n = 27097899 and 27097908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27097951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17404 + ... + 18896.

It is an arithmetic number, because the mean of its divisors is an integer number (1026627).

Almost surely, 2^27097950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27097950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36958572).

27097950 is an abundant number, since it is smaller than the sum of its proper divisors (46819194).

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

27097950 is a wasteful number, since it uses less digits than its factorization.

27097950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 27097950 is about 5205.5691331496. The cubic root of 27097950 is about 300.3623399674.

The spelling of 27097950 in words is "twenty-seven million, ninety-seven thousand, nine hundred fifty".