27498140 has 24 divisors (see below), whose sum is σ = 58610832. Its totient is φ = 10834560.

The previous prime is 27498137. The next prime is 27498143. The reversal of 27498140 is 4189472.

It is an interprime number because it is at equal distance from previous prime (27498137) and next prime (27498143).

It is a super-2 number, since 2×27498140² = 1512295406919200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27498140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27498143) 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 7 ways as a sum of consecutive naturals, for example, 8921 + ... + 11600.

It is an arithmetic number, because the mean of its divisors is an integer number (2442118).

Almost surely, 2^27498140 is an apocalyptic number.

27498140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27498140 is an abundant number, since it is smaller than the sum of its proper divisors (31112692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27498140 is a wasteful number, since it uses less digits than its factorization.

27498140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20597 (or 20595 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 27498140 is about 5243.8668938103. The cubic root of 27498140 is about 301.8337315544.

The spelling of 27498140 in words is "twenty-seven million, four hundred ninety-eight thousand, one hundred forty".