27213340 has 96 divisors (see below), whose sum is σ = 73156608. Its totient is φ = 8256000.

The previous prime is 27213331. The next prime is 27213341. The reversal of 27213340 is 4331272.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27213341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62925 + ... + 63355.

It is an arithmetic number, because the mean of its divisors is an integer number (762048).

Almost surely, 2^27213340 is an apocalyptic number.

27213340 is a gapful number since it is divisible by the number (20) 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 27213340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36578304).

27213340 is an abundant number, since it is smaller than the sum of its proper divisors (45943268).

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

27213340 is a wasteful number, since it uses less digits than its factorization.

27213340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 27213340 is about 5216.6406815114. The cubic root of 27213340 is about 300.7880761221.

The spelling of 27213340 in words is "twenty-seven million, two hundred thirteen thousand, three hundred forty".