27372091 has 4 divisors (see below), whose sum is σ = 28982232. Its totient is φ = 25761952.

The previous prime is 27372077. The next prime is 27372109. The reversal of 27372091 is 19027372.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27372091 - 2¹¹ = 27370043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27372011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805045 + ... + 805078.

It is an arithmetic number, because the mean of its divisors is an integer number (7245558).

Almost surely, 2^27372091 is an apocalyptic number.

27372091 is a deficient number, since it is larger than the sum of its proper divisors (1610141).

27372091 is a wasteful number, since it uses less digits than its factorization.

27372091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610140.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 27372091 is about 5231.8343819353. The cubic root of 27372091 is about 301.3718321746.

The spelling of 27372091 in words is "twenty-seven million, three hundred seventy-two thousand, ninety-one".