27722652 has 12 divisors (see below), whose sum is σ = 64686216. Its totient is φ = 9240880.

The previous prime is 27722633. The next prime is 27722663. The reversal of 27722652 is 25622772.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155099 + ... + 1155122.

It is an arithmetic number, because the mean of its divisors is an integer number (5390518).

Almost surely, 2^27722652 is an apocalyptic number.

It is an amenable number.

27722652 is an abundant number, since it is smaller than the sum of its proper divisors (36963564).

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

27722652 is a wasteful number, since it uses less digits than its factorization.

27722652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310228 (or 2310226 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 27722652 is about 5265.2304792858. The cubic root of 27722652 is about 302.6529590934.

The spelling of 27722652 in words is "twenty-seven million, seven hundred twenty-two thousand, six hundred fifty-two".