27964427 has 8 divisors (see below), whose sum is σ = 28254096. Its totient is φ = 27676672.

The previous prime is 27964403. The next prime is 27964429. The reversal of 27964427 is 72446972.

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

It is not a de Polignac number, because 27964427 - 2¹⁴ = 27948043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27964429) 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, 59648 + ... + 60114.

It is an arithmetic number, because the mean of its divisors is an integer number (3531762).

Almost surely, 2^27964427 is an apocalyptic number.

27964427 is a deficient number, since it is larger than the sum of its proper divisors (289669).

27964427 is a wasteful number, since it uses less digits than its factorization.

27964427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957.

The product of its digits is 169344, while the sum is 41.

The square root of 27964427 is about 5288.1402212876. The cubic root of 27964427 is about 303.5302467623.

The spelling of 27964427 in words is "twenty-seven million, nine hundred sixty-four thousand, four hundred twenty-seven".