27721348 has 12 divisors (see below), whose sum is σ = 50621760. Its totient is φ = 13257992.

The previous prime is 27721321. The next prime is 27721349. The reversal of 27721348 is 84312772.

It is a super-3 number, since 3×27721348³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27721349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150568 + ... + 150751.

It is an arithmetic number, because the mean of its divisors is an integer number (4218480).

Almost surely, 2^27721348 is an apocalyptic number.

It is an amenable number.

27721348 is a deficient number, since it is larger than the sum of its proper divisors (22900412).

27721348 is a wasteful number, since it uses less digits than its factorization.

27721348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301346 (or 301344 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 27721348 is about 5265.1066465932. The cubic root of 27721348 is about 302.6482136882.

The spelling of 27721348 in words is "twenty-seven million, seven hundred twenty-one thousand, three hundred forty-eight".