27797752 has 8 divisors (see below), whose sum is σ = 52120800. Its totient is φ = 13898872.

The previous prime is 27797699. The next prime is 27797753. The reversal of 27797752 is 25779772.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27797753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1737352 + ... + 1737367.

It is an arithmetic number, because the mean of its divisors is an integer number (6515100).

Almost surely, 2^27797752 is an apocalyptic number.

It is an amenable number.

27797752 is a deficient number, since it is larger than the sum of its proper divisors (24323048).

27797752 is a wasteful number, since it uses less digits than its factorization.

27797752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474725 (or 3474721 counting only the distinct ones).

The product of its digits is 432180, while the sum is 46.

The square root of 27797752 is about 5272.3573475249. The cubic root of 27797752 is about 302.9260058873.

The spelling of 27797752 in words is "twenty-seven million, seven hundred ninety-seven thousand, seven hundred fifty-two".