27622091 has 8 divisors (see below), whose sum is σ = 32421600. Its totient is φ = 23035968.

The previous prime is 27622079. The next prime is 27622097. The reversal of 27622091 is 19022672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27622091 - 2¹⁴ = 27605707 is a prime.

It is a super-2 number, since 2×27622091² = 1525959822424562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27622097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53066 + ... + 53583.

It is an arithmetic number, because the mean of its divisors is an integer number (4052700).

Almost surely, 2^27622091 is an apocalyptic number.

27622091 is a deficient number, since it is larger than the sum of its proper divisors (4799509).

27622091 is a wasteful number, since it uses less digits than its factorization.

27622091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106693.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 27622091 is about 5255.6722690822. The cubic root of 27622091 is about 302.2865684780.

The spelling of 27622091 in words is "twenty-seven million, six hundred twenty-two thousand, ninety-one".