27242742 has 16 divisors (see below), whose sum is σ = 55514160. Its totient is φ = 8909472.

The previous prime is 27242731. The next prime is 27242753. The reversal of 27242742 is 24724272.

It is an interprime number because it is at equal distance from previous prime (27242731) and next prime (27242753).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42517 + ... + 43152.

It is an arithmetic number, because the mean of its divisors is an integer number (3469635).

It is a self-describing number.

Almost surely, 2^27242742 is an apocalyptic number.

27242742 is an abundant number, since it is smaller than the sum of its proper divisors (28271418).

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

27242742 is a wasteful number, since it uses less digits than its factorization.

27242742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85727.

The product of its digits is 12544, while the sum is 30.

The square root of 27242742 is about 5219.4580178405. The cubic root of 27242742 is about 300.8963635517.

The spelling of 27242742 in words is "twenty-seven million, two hundred forty-two thousand, seven hundred forty-two".