27764412 has 48 divisors (see below), whose sum is σ = 71406720. Its totient is φ = 8342208.

The previous prime is 27764411. The next prime is 27764449. The reversal of 27764412 is 21446772.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27764411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4639 + ... + 8777.

It is an arithmetic number, because the mean of its divisors is an integer number (1487640).

Almost surely, 2^27764412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27764412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35703360).

27764412 is an abundant number, since it is smaller than the sum of its proper divisors (43642308).

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

27764412 is a wasteful number, since it uses less digits than its factorization.

27764412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202 (or 4200 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 27764412 is about 5269.1946253673. The cubic root of 27764412 is about 302.8048498857.

The spelling of 27764412 in words is "twenty-seven million, seven hundred sixty-four thousand, four hundred twelve".