27490736 has 80 divisors (see below), whose sum is σ = 66662400. Its totient is φ = 10692864.

The previous prime is 27490733. The next prime is 27490747. The reversal of 27490736 is 63709472.

It is a self number, because there is not a number n which added to its sum of digits gives 27490736.

It is not an unprimeable number, because it can be changed into a prime (27490733) 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 15 ways as a sum of consecutive naturals, for example, 114905 + ... + 115143.

It is an arithmetic number, because the mean of its divisors is an integer number (833280).

Almost surely, 2^27490736 is an apocalyptic number.

27490736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27490736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33331200).

27490736 is an abundant number, since it is smaller than the sum of its proper divisors (39171664).

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

27490736 is a wasteful number, since it uses less digits than its factorization.

27490736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 27490736 is about 5243.1608787067. The cubic root of 27490736 is about 301.8066390849.

The spelling of 27490736 in words is "twenty-seven million, four hundred ninety thousand, seven hundred thirty-six".