27085421 has 8 divisors (see below), whose sum is σ = 30832704. Its totient is φ = 23552320.

The previous prime is 27085411. The next prime is 27085423. The reversal of 27085421 is 12458072.

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

It is not a de Polignac number, because 27085421 - 2²² = 22891117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27085423) 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, 53276 + ... + 53781.

It is an arithmetic number, because the mean of its divisors is an integer number (3854088).

Almost surely, 2^27085421 is an apocalyptic number.

It is an amenable number.

27085421 is a deficient number, since it is larger than the sum of its proper divisors (3747283).

27085421 is a wasteful number, since it uses less digits than its factorization.

27085421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107091.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 27085421 is about 5204.3655713257. The cubic root of 27085421 is about 300.3160410174.

The spelling of 27085421 in words is "twenty-seven million, eighty-five thousand, four hundred twenty-one".