27139742 has 8 divisors (see below), whose sum is σ = 46525296. Its totient is φ = 11631312.

The previous prime is 27139741. The next prime is 27139781. The reversal of 27139742 is 24793172.

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 (27139741) 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, 969263 + ... + 969290.

It is an arithmetic number, because the mean of its divisors is an integer number (5815662).

Almost surely, 2^27139742 is an apocalyptic number.

27139742 is a deficient number, since it is larger than the sum of its proper divisors (19385554).

27139742 is a wasteful number, since it uses less digits than its factorization.

27139742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938562.

The product of its digits is 21168, while the sum is 35.

The square root of 27139742 is about 5209.5817490467. The cubic root of 27139742 is about 300.5166726168.

The spelling of 27139742 in words is "twenty-seven million, one hundred thirty-nine thousand, seven hundred forty-two".