27740042 has 8 divisors (see below), whose sum is σ = 45392832. Its totient is φ = 12609100.

The previous prime is 27740033. The next prime is 27740051. The reversal of 27740042 is 24004772.

It is an interprime number because it is at equal distance from previous prime (27740033) and next prime (27740051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 27739993 and 27740020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630434 + ... + 630477.

It is an arithmetic number, because the mean of its divisors is an integer number (5674104).

Almost surely, 2^27740042 is an apocalyptic number.

27740042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27740042 is a deficient number, since it is larger than the sum of its proper divisors (17652790).

27740042 is a wasteful number, since it uses less digits than its factorization.

27740042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260924.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 27740042 is about 5266.8816200860. The cubic root of 27740042 is about 302.7162290726.

The spelling of 27740042 in words is "twenty-seven million, seven hundred forty thousand, forty-two".