27831342 has 64 divisors (see below), whose sum is σ = 70170624. Its totient is φ = 7148640.

The previous prime is 27831341. The next prime is 27831347. The reversal of 27831342 is 24313872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27831341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49153 + ... + 49715.

It is an arithmetic number, because the mean of its divisors is an integer number (1096416).

Almost surely, 2^27831342 is an apocalyptic number.

27831342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 27831342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35085312).

27831342 is an abundant number, since it is smaller than the sum of its proper divisors (42339282).

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

27831342 is a wasteful number, since it uses less digits than its factorization.

27831342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693.

The product of its digits is 8064, while the sum is 30.

The square root of 27831342 is about 5275.5418679032. The cubic root of 27831342 is about 303.0479724499.

The spelling of 27831342 in words is "twenty-seven million, eight hundred thirty-one thousand, three hundred forty-two".