27398007 has 84 divisors (see below), whose sum is σ = 52332840. Its totient is φ = 14206752.

The previous prime is 27397987. The next prime is 27398023. The reversal of 27398007 is 70089372.

It is not a de Polignac number, because 27398007 - 2⁷ = 27397879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27398047) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 464344 + ... + 464402.

It is an arithmetic number, because the mean of its divisors is an integer number (623010).

Almost surely, 2^27398007 is an apocalyptic number.

27398007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

27398007 is a deficient number, since it is larger than the sum of its proper divisors (24934833).

27398007 is an equidigital number, since it uses as much as digits as its factorization.

27398007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 27398007 is about 5234.3105563197. The cubic root of 27398007 is about 301.4669155053.

The spelling of 27398007 in words is "twenty-seven million, three hundred ninety-eight thousand, seven".