27620340 has 48 divisors (see below), whose sum is σ = 84369600. Its totient is φ = 6695680.

The previous prime is 27620339. The next prime is 27620363. The reversal of 27620340 is 4302672.

It is a self number, because there is not a number n which added to its sum of digits gives 27620340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20265 + ... + 21584.

It is an arithmetic number, because the mean of its divisors is an integer number (1757700).

Almost surely, 2^27620340 is an apocalyptic number.

27620340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27620340 is an abundant number, since it is smaller than the sum of its proper divisors (56749260).

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

27620340 is a wasteful number, since it uses less digits than its factorization.

27620340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41872 (or 41870 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 27620340 is about 5255.5056845179. The cubic root of 27620340 is about 302.2801808978.

The spelling of 27620340 in words is "twenty-seven million, six hundred twenty thousand, three hundred forty".