27698142 has 16 divisors (see below), whose sum is σ = 55935360. Its totient is φ = 9142872.

The previous prime is 27698137. The next prime is 27698147. The reversal of 27698142 is 24189672.

It is an interprime number because it is at equal distance from previous prime (27698137) and next prime (27698147).

It is a self number, because there is not a number n which added to its sum of digits gives 27698142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27698147) 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, 21792 + ... + 23027.

It is an arithmetic number, because the mean of its divisors is an integer number (3495960).

Almost surely, 2^27698142 is an apocalyptic number.

27698142 is an abundant number, since it is smaller than the sum of its proper divisors (28237218).

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

27698142 is a wasteful number, since it uses less digits than its factorization.

27698142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44927.

The product of its digits is 48384, while the sum is 39.

The square root of 27698142 is about 5262.9024311686. The cubic root of 27698142 is about 302.5637394998.

The spelling of 27698142 in words is "twenty-seven million, six hundred ninety-eight thousand, one hundred forty-two".