27078742 has 8 divisors (see below), whose sum is σ = 40640256. Its totient is φ = 13531992.

The previous prime is 27078731. The next prime is 27078749. The reversal of 27078742 is 24787072.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27078749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4843 + ... + 8809.

It is an arithmetic number, because the mean of its divisors is an integer number (5080032).

Almost surely, 2^27078742 is an apocalyptic number.

27078742 is a deficient number, since it is larger than the sum of its proper divisors (13561514).

27078742 is a wasteful number, since it uses less digits than its factorization.

27078742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7382.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 27078742 is about 5203.7238589303. The cubic root of 27078742 is about 300.2913539883.

It can be divided in two parts, 2707 and 8742, that added together give a square (11449 = 107²).

The spelling of 27078742 in words is "twenty-seven million, seventy-eight thousand, seven hundred forty-two".