27072143 has 8 divisors (see below), whose sum is σ = 32759712. Its totient is φ = 21839616.

The previous prime is 27072137. The next prime is 27072191. The reversal of 27072143 is 34127072.

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

It is a cyclic number.

It is not a de Polignac number, because 27072143 - 2⁶ = 27072079 is a prime.

It is a super-2 number, since 2×27072143² = 1465801853224898, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27072103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113630 + ... + 113867.

It is an arithmetic number, because the mean of its divisors is an integer number (4094964).

Almost surely, 2^27072143 is an apocalyptic number.

27072143 is a deficient number, since it is larger than the sum of its proper divisors (5687569).

27072143 is a wasteful number, since it uses less digits than its factorization.

27072143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227521.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 27072143 is about 5203.0897551359. The cubic root of 27072143 is about 300.2669586694.

The spelling of 27072143 in words is "twenty-seven million, seventy-two thousand, one hundred forty-three".