27142870 has 8 divisors (see below), whose sum is σ = 48857184. Its totient is φ = 10857144.

The previous prime is 27142859. The next prime is 27142873. The reversal of 27142870 is 7824172.

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 (27142873) 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, 1357134 + ... + 1357153.

It is an arithmetic number, because the mean of its divisors is an integer number (6107148).

Almost surely, 2^27142870 is an apocalyptic number.

27142870 is a deficient number, since it is larger than the sum of its proper divisors (21714314).

27142870 is a wasteful number, since it uses less digits than its factorization.

27142870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714294.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 27142870 is about 5209.8819564362. The cubic root of 27142870 is about 300.5282175563.

The spelling of 27142870 in words is "twenty-seven million, one hundred forty-two thousand, eight hundred seventy".