27607972 has 36 divisors (see below), whose sum is σ = 56945280. Its totient is φ = 11675664.

The previous prime is 27607961. The next prime is 27607973. The reversal of 27607972 is 27970672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27607973) 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 in 11 ways as a sum of consecutive naturals, for example, 14593 + ... + 16375.

Almost surely, 2^27607972 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 27607972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28472640).

27607972 is an abundant number, since it is smaller than the sum of its proper divisors (29337308).

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

27607972 is a wasteful number, since it uses less digits than its factorization.

27607972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 27607972 is about 5254.3288819791. The cubic root of 27607972 is about 302.2350552229.

The spelling of 27607972 in words is "twenty-seven million, six hundred seven thousand, nine hundred seventy-two".