27542742 has 16 divisors (see below), whose sum is σ = 57984960. Its totient is φ = 8697672.

The previous prime is 27542729. The next prime is 27542743. The reversal of 27542742 is 24724572.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27542743) 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 7 ways as a sum of consecutive naturals, for example, 120688 + ... + 120915.

It is an arithmetic number, because the mean of its divisors is an integer number (3624060).

Almost surely, 2^27542742 is an apocalyptic number.

27542742 is an abundant number, since it is smaller than the sum of its proper divisors (30442218).

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

27542742 is a wasteful number, since it uses less digits than its factorization.

27542742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241627.

The product of its digits is 31360, while the sum is 33.

The square root of 27542742 is about 5248.1179483697. The cubic root of 27542742 is about 301.9968349010.

The spelling of 27542742 in words is "twenty-seven million, five hundred forty-two thousand, seven hundred forty-two".