27475968 has 120 divisors (see below), whose sum is σ = 80737888. Its totient is φ = 8257536.

The previous prime is 27475967. The next prime is 27475969. The reversal of 27475968 is 86957472.

It is an interprime number because it is at equal distance from previous prime (27475967) and next prime (27475969).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27475967) 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, 638955 + ... + 638997.

Almost surely, 2^27475968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27475968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40368944).

27475968 is an abundant number, since it is smaller than the sum of its proper divisors (53261920).

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

27475968 is an equidigital number, since it uses as much as digits as its factorization.

27475968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 61 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 27475968 is about 5241.7523787375. The cubic root of 27475968 is about 301.7525859814.

The spelling of 27475968 in words is "twenty-seven million, four hundred seventy-five thousand, nine hundred sixty-eight".