27799242 has 64 divisors (see below), whose sum is σ = 61585920. Its totient is φ = 8334144.

The previous prime is 27799241. The next prime is 27799253. The reversal of 27799242 is 24299772.

It is a junction number, because it is equal to n+sod(n) for n = 27799194 and 27799203.

It is not an unprimeable number, because it can be changed into a prime (27799241) 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, 259753 + ... + 259859.

It is an arithmetic number, because the mean of its divisors is an integer number (962280).

Almost surely, 2^27799242 is an apocalyptic number.

27799242 is an abundant number, since it is smaller than the sum of its proper divisors (33786678).

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

27799242 is a wasteful number, since it uses less digits than its factorization.

27799242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

The product of its digits is 127008, while the sum is 42.

The square root of 27799242 is about 5272.4986486485. The cubic root of 27799242 is about 302.9314182156.

It can be divided in two parts, 2779 and 9242, that added together give a palindrome (12021).

The spelling of 27799242 in words is "twenty-seven million, seven hundred ninety-nine thousand, two hundred forty-two".